What if Deku had the Prototype Mutation in X-Men

 The rain in New York City didn’t wash away the grime; it only seemed to make it slicker, spreading the rot across the concrete like a creeping infection. 

Izuku Midoriya sat by the window of his family’s cramped Queens apartment, watching the droplets race down the glass. He was fourteen years old, a long way from the quiet suburbs of Musutafu, Japan. His mother, Inko, had moved them to the United States five years ago, chasing a nursing job at Metro-General Hospital to provide a better life for her son. But America was a loud, chaotic, and terrifying place. It was a world of gods and monsters, of men who flew in iron suits and women who could control the weather.

It was a world of heroes. And a world of mutants.

Izuku sighed, his breath fogging the cold glass. He wiped it away with the sleeve of his oversized yellow sweater and looked down at his desk. It was covered in open, battered notebooks. Hero Analysis for the Future, Vol. 12. The pages were filled with meticulous sketches of the Avengers, the Fantastic Four, and, most prominently, the X-Men. While the rest of the world seemed to worship Tony Stark and fear the mutant population, Izuku found himself fascinated by the outcasts. He admired Cyclops’s tactical genius, Storm’s majestic control, and Nightcrawler’s selfless bravery despite looking like a demon.

But admiration was all Izuku had. 

In a world where the next stage of human evolution was bursting forth, granting people the ability to shoot lasers or bend metal, Izuku was painfully, undeniably normal. A baseline human. The doctors had confirmed it years ago: no X-Gene, no latent mutation, nothing. Just Izuku. 

"I'm heading to the store, mom!" Izuku called out, grabbing his bright yellow backpack and his red high-top sneakers. 

"Be careful, Izuku!" Inko’s voice drifted from the kitchen, laced with that perpetual, loving anxiety she always carried. "The news says there are protests downtown again! Don't take the subway near 14th Street!"

"I won't! Just going to the bodega!" 

Izuku stepped out into the biting chill of the New York evening. The sky was the color of a bruised plum, the rain coming down in a steady, freezing drizzle. He pulled the hood of his raincoat over his unruly mop of green hair and kept his head down.

The streets were tense. They usually were these days. Ever since Magneto’s last attack on Cape Citadel, anti-mutant sentiment had skyrocketed. Hate groups like the Purifiers—zealots who believed mutants were a demonic plague meant to be eradicated—were patrolling neighborhoods, harassing anyone who looked different. Izuku hated them. He hated the way they looked at people. He hated the fear they bred. 

He was walking past a narrow, trash-strewn alleyway between a dilapidated laundromat and a boarded-up diner when he heard it.

A sharp, terrified yelp. 

Izuku stopped. His boots splashed in a shallow puddle. He held his breath, straining to listen over the sound of the rain and the distant wail of sirens.

"Please... I didn't do anything!" a high-pitched voice cried out. 

"Shut up, mutie," a harsh, gravelly voice snapped back. "You exist. That’s enough of a crime against God."

Izuku’s heart hammered against his ribs. He crept to the edge of the brick wall and peered into the gloom of the alley. 

There were four men. They wore heavy dark jackets, combat boots, and crude white crosses painted on their chests—the undeniable mark of the Purifiers. They held baseball bats, heavy Maglites, and one of them was twirling a switchblade. 

Cornered against a chain-link fence was a little girl, no older than eight. She was clutching a torn teddy bear. Her mutation was obvious: her skin was a pale, shimmering lavender, and small, crystalline scales dotted her cheeks and arms. She was crying, her small shoulders shaking as the men closed in.

"Look at her," one of the men spat, raising his flashlight to blind the child. "Disgusting. An affront to nature. Let's do humanity a favor before this freak grows up and tries to mind-control us or whatever the hell they do."

The man with the bat raised his weapon, stepping toward the girl.

Izuku didn't think. If he had thought, his brain would have told him he was a fourteen-year-old boy weighing barely a hundred pounds. His brain would have told him he had no powers, no weapons, and no chance. 

But Izuku’s legs didn't consult his brain. 

Clatter.

Izuku sprinted into the alley, slipping slightly on the wet asphalt, and shoved himself between the Purifiers and the little girl. He threw his arms out wide, shielding her with his own frail body.

"S-Stop!" Izuku yelled, his voice cracking. He was trembling so violently that his teeth chattered, but he didn't move. "Leave her alone! She's just a kid!"

The four men froze, surprised by the sudden intrusion. The leader, a hulking man with a shaved head and a scar crossing his nose, lowered his bat slightly. He looked at Izuku, squinting in the dim light. 

"What the hell is this?" the leader growled. "You a mutie too, kid? You don't look like a freak."

"I-I'm human!" Izuku stammered, swallowing the lump of terror in his throat. "But you can't do this! She hasn't hurt anyone! Heroes like the X-Men save people, they don't—"

"The X-Men are terrorists!" one of the other men barked, stepping forward and shoving Izuku hard in the chest. Izuku stumbled back, colliding with the crying girl, but quickly righted himself, keeping his arms out. 

"You're defending a plague, boy," the leader said, his voice dropping to a dangerous, quiet rumble. "You're a traitor to your own species. Move aside. Now. Or you get what the freak gets."

"No!" Izuku shouted. Tears pricked his eyes. He was terrified. He wanted his mother. He wanted to run. But he looked over his shoulder at the little girl. She was looking at him with wide, hopeless eyes. If he ran, she would die. It was that simple. 

"I won't let you hurt her!" Izuku declared, balling his trembling hands into fists.

The leader sighed, a sound of profound annoyance. "Suit yourself. Teach the mutie-lover a lesson, boys."

The first blow came faster than Izuku could track. A heavy steel-toed boot caught him directly in the stomach. All the air violently exploded from Izuku's lungs. He folded like a cheap lawn chair, collapsing to the wet asphalt, gasping for breath that wouldn't come. 

Before he could even register the pain, a wooden baseball bat slammed into his shoulder. Izuku heard a sickening crack and screamed as his collarbone splintered. 

"Run!" Izuku choked out, looking back at the girl. "Run!"

She scrambled backward, trying to find a gap in the fence, but she was too small, too scared. 

The Purifiers descended on Izuku. It wasn't a fight; it was an execution. They kicked him in the ribs, the heavy boots shattering bone. The flashlight came down on the back of his head, splitting his scalp open. Hot, thick blood poured down Izuku's face, blinding his left eye, mixing with the cold New York rain. 

It hurts. God, it hurts so much.

Izuku curled into a fetal position, desperately trying to protect his head, but a hand grabbed his wet green hair and yanked him upward. He was staring into the face of the man with the switchblade. 

"Should've just walked away, kid," the man sneered. 

The blade flashed in the dim light. 

Izuku felt a sudden, icy pressure in his gut. It wasn't a sharp pain, not at first. Just a heavy, violating cold. The man ripped the blade upward, twisting it before pulling it free. 

Izuku’s eyes widened. He looked down. His yellow sweater was turning a deep, wet crimson. 

The man dropped him. Izuku hit the ground hard, his cheek pressing against the filthy, oil-stained concrete. His body went numb. The sounds of the alley—the rain, the men laughing, the girl crying—began to sound like they were underwater, muffled and distant.

"Alright, enough playing with the human," the leader said, stepping over Izuku’s bleeding body. "Finish the freak."

Izuku watched, his vision blurring, going dark around the edges. He could see his own blood pooling in the rainwater, flowing toward the storm drain. 

I'm dying. 

The realization was calm, detached. His lungs rattled with a wet, bubbling sound. He couldn't move his arms. He couldn't feel his legs. 

Mom... I'm sorry...

He watched the leader raise the bat toward the little girl. She squeezed her eyes shut, clutching her bear. 

No... please...

Izuku’s heart beat once. Weak. Faltering.

I want to save her. I have to save her.

His heart beat twice. A stuttering, dying rhythm.

Somebody save her! Please!

His heart stopped. 

For a fraction of a second, Izuku Midoriya was clinically dead. 

And in that fraction of a second, the darkest, deepest, most dormant part of his genetic code—a sequence that had been sleeping for fourteen years, hiding so perfectly that no blood test or MRI could ever detect it—awoke. 

It wasn't a normal X-Gene activation. It wasn't a spark of energy or a sudden manifestation of fire or telekinesis. It was an apocalyptic cellular rebellion. 

Deep within Izuku's marrow, a microscopic war began. His cells didn't just divide; they consumed each other, rewriting their own DNA at a million times the normal speed. A violent, viral storm erupted through his circulatory system. The blood pouring onto the concrete stopped. 

Suddenly, the cold numbness of death vanished, replaced by an agony so absolute, so world-shattering, that Izuku’s eyes snapped open. 

But his eyes were no longer emerald green. The sclera had turned pitch black, and his irises glowed with a sickly, luminescent crimson light. 

A sound tore from Izuku’s throat. It wasn't a human scream. It was a roar of tearing flesh, shifting bone, and absolute, primal fury. 

The Purifier leader paused, the bat raised above his head, and looked back. "What the hell...?"

Izuku’s body convulsed on the ground. The crimson stain on his sweater suddenly shifted. It didn't look like blood anymore. It looked thick, viscous, and alive. 

SHNK!

Black and red tendrils—thick as cables and pulsing with wet, biological light—erupted violently from Izuku's back. They tore through his raincoat and sweater, whipping through the air like the tentacles of some abyssal leviathan. They lashed out, embedding themselves into the brick walls of the alleyway, cracking the masonry. 

"Jesus Christ!" one of the Purifiers screamed, backing away. "He's a mutie! Kill him! Shoot him!"

The man who had stabbed Izuku pulled a handgun from his jacket and leveled it at the boy. Bang! Bang! Bang!

Three bullets struck Izuku in the chest. But they didn't penetrate. The moment the lead touched his skin, the black-red biomass rippled over his chest, catching the bullets like flies in a spiderweb, crushing them into powder, and absorbing the metal. 

Izuku slowly rose to his feet. He didn't stand up like a human; he moved like a marionette being pulled by violent, jerky strings. His head tilted at a broken angle, his jaw slacked. 

Inside his mind, Izuku was screaming. He was trapped in a passenger seat, watching his body move on its own. A terrifying, ancient instinct had taken the wheel—a hunger, a need to survive, a directive to eliminate the threats. 

Threat detected. Terminate. The thought wasn't words; it was a pure, biological imperative. 

"Shoot him in the head!" the leader roared.

Izuku’s gaze locked onto the leader. The crimson glow in his eyes flared. 

Izuku lifted his arms. The flesh of his forearms began to bubble and boil. It looked as though liquid obsidian and boiling blood were mixing beneath his skin. With a horrifying, wet sound of tearing meat and snapping bone, his hands melted away. The biomass surged forward, hardening, sharpening, elongating. 

In a fraction of a second, Izuku’s arms from the elbow down had transformed into massive, three-foot-long, razor-sharp blades. They were organic, yet gleamed with a dark, metallic sheen, edged with glowing red energy. 

Claws. 

The man with the gun fired again. 

Izuku vanished. 

He didn't just run; the ground beneath his feet shattered from the force of his leap. He moved faster than the human eye could track, a blur of yellow, black, and red. 

He reappeared directly in front of the gunman. Izuku didn't understand martial arts. He didn't know how to fight. But the thing inside him, the mutation, knew exactly how to dismantle a human body. 

With a brutal, sweeping motion, Izuku swung his right claw. 

He didn't aim for the head or the heart. Somewhere, deep in the darkest corner of his mind, the human Izuku was screaming, Don't kill him! Don't kill him!

The apex predator compromised. 

The black blade cleanly sliced through the man’s jacket, flesh, and bone, severing his right arm just below the shoulder. 

Blood sprayed in a crimson arc against the brick wall. The man didn't even realize his arm was gone until the gun hit the ground, still clutched in a severed hand. A second later, he fell to his knees, screaming in pure agony.

"Frankie!" another Purifier yelled, swinging his heavy Maglite at Izuku’s head. 

Izuku didn't dodge. He let the heavy metal flashlight strike his temple. The metal bent around Izuku’s skull. Izuku slowly turned his head, his glowing red eyes locking onto the man. 

The man dropped the ruined flashlight, backing away, his pants suddenly wet. "Monster... you're a monster..."

Izuku lunged. He drove his left knee into the man’s chest with the force of a freight train. The Purifier’s ribs shattered inward, his lungs collapsing instantly as he was launched backward, crashing through the wooden barricade of the diner and disappearing into the darkness within, out cold. 

Two left. 

The man with the switchblade dropped his weapon and turned to run toward the street. 

Prey is fleeing. Capture.

A thick, whip-like tendril shot out from Izuku’s shoulder. It struck like a harpoon, wrapping around the fleeing man's ankle. With a violent jerk, Izuku pulled. The man went flying backward, suspended in the air for a second before slamming face-first into the unforgiving concrete. His jaw shattered on impact, leaving him groaning and unconscious in a puddle.

The leader was the only one left. He was backing toward the chain-link fence, his baseball bat trembling in his hands. The bravado, the hateful arrogance, was entirely gone. In its place was the primal, universal fear of a prey animal staring into the eyes of the apex predator. 

"Get away from me!" the leader screamed, swinging the bat wildly. 

Izuku walked toward him. Each step was heavy, deliberate. The black claws dragged along the asphalt, carving deep, smoking gouges into the ground. Sparks flew as the bio-metallic blades scraped the earth. 

"You're a demon!" the leader sobbed, dropping the bat and falling to his knees, holding his hands up. "Please! Don't kill me! I'm sorry! I'm sorry!"

Izuku stood towering over the man. His blades were raised. The crimson light in his eyes flared brighter. The instinct demanded blood. It demanded to consume the threat, to break the meat down into raw biomass, to devour. 

No! Izuku’s inner voice screamed. I'm not a murderer! I'm a hero! Stop! STOP!

Izuku’s body froze. The two wills clashed—the viral instinct for slaughter versus the indomitable, pure willpower of a fourteen-year-old boy who just wanted to save people. 

Izuku’s jaw locked. A low, agonizing groan escaped his lips. His entire body trembled as he forced his arms downward. The black claws slammed into the concrete on either side of the leader's head, embedding themselves a foot deep into the ground. 

The leader whimpered, passing out from sheer terror. 

Silence fell over the alley, broken only by the steady patter of the rain and the distant wail of sirens. 

Izuku stood there, panting heavily. The red glow in his eyes flickered and died, returning to their natural, vibrant green. The terrifying, cold instinct receded, leaving behind a boy who was suddenly very aware of the carnage around him. 

Izuku pulled his arms from the concrete. He stared at his hands. Or rather, the massive, blood-stained blades that had replaced them. 

"What... what is this?" Izuku whispered, his voice trembling. "What did I do?"

He willed the blades away. It wasn't easy. It felt like trying to force a dislocated shoulder back into its socket. The blacklight biomass boiled and writhed, retracting, shifting, and melting until human skin, fingers, and fingernails re-formed. His hands were shaking violently. 

He looked around. The alley was a slaughterhouse. Blood painted the walls. Three men were unconscious, broken, and maimed. One was missing an arm, bleeding out rapidly. 

I did this. I tore them apart. 

Izuku felt bile rise in his throat, but he didn't have time to vomit. A small, terrified whimper brought his attention back to the chain-link fence. 

The mutant girl was still there. She was pressed as far back against the wire as she could go, her teddy bear held in front of her like a shield. She wasn't looking at the downed Purifiers. 

She was looking at Izuku. And she was absolutely, utterly terrified of him. 

Her fear hurt Izuku more than the knife wound in his gut had. He took a hesitant step toward her, raising his now-human hands in a gesture of surrender. 

"I... I'm not going to hurt you," Izuku said, his voice soft, pleading. "It's okay. You're safe now."

The girl whimpered, tears streaming down her scaly, lavender cheeks. 

Sirens wailed, much closer this time. Red and blue lights began to reflect off the wet brick buildings at the end of the alley. The police were coming. Sentinel Services might be with them. 

Izuku knew he couldn't stay. If the authorities found him like this, surrounded by maimed bodies, they would lock him away forever. Or kill him. 

"Come on," Izuku said, stepping forward quickly. He didn't wait for her permission. He scooped the small girl up into his arms. She flinched, burying her face into her bear, but she didn't fight him. 

Izuku turned to the brick wall of the laundromat. He didn't know how to use his new body, but he could feel the latent power thrumming in his calves. He crouched low, holding the girl tightly to his chest. 

He jumped. 

It wasn't a normal leap. The concrete beneath him cratered as he launched himself upward. The wind roared in his ears. He flew over thirty feet straight up into the air, easily clearing the roof of the three-story building. He landed hard on the gravel rooftop, stumbling but keeping the girl safe. 

He didn't stop. Panic and adrenaline fueled him. He sprinted across the rooftops of Queens, leaping effortlessly over fifteen-foot alleyway gaps. He moved with the grace and terrifying power of a panther. The rain whipped against his face. 

After ten minutes of frantic running, he saw the brightly lit emergency room sign of Metro-General Hospital. 

Izuku dropped down into a shadowed alcove near the ambulance bay. He gently set the little girl on her feet. 

"Go," Izuku panted, his breath fogging in the cold air. "Go to the doctors. Tell them you were attacked. They'll help you."

The girl looked up at him. The sheer terror in her eyes had faded slightly, replaced by a confused awe. "You... you saved me."

Izuku offered a weak, trembling smile. "That's what heroes do."

He turned and bolted back into the shadows before she could say anything else. 

Izuku ran until his lungs felt like they were filled with broken glass. 

He found himself in the industrial district near the East River, surrounded by abandoned warehouses and rusting shipping containers. He slipped through a broken window of an old dockside warehouse, landing heavily on the dusty concrete floor. 

The adrenaline was finally wearing off. 

The moment it did, reality crashed down on him. 

Izuku collapsed, falling to his hands and knees. A wet, tearing cough racked his body, and a splash of black, viscous blood hit the floor. 

The power that had kept him moving was failing. The mutation had violently re-knitted his internal organs, forcefully closing the stab wound and the bullet holes, but it had come at a cost. 

He was starving. 

It wasn't the kind of hunger that made your stomach rumble. It was a cellular starvation. A profound, hollow agony that screamed from every atom of his being. His body had burned immense amounts of biological energy to transform, fight, and heal. His reserves were empty. 

If he didn't eat, if he didn't consume biomass, the virus would begin to consume him. His own cells would cannibalize his brain and heart just to keep the mutation alive. 

Izuku clutched his stomach, rolling onto his back. He was sweating profusely, his skin burning hot. The veins in his neck and arms bulged, glowing with a faint, angry red light beneath his skin. 

"No... please..." Izuku gasped, writhing in agony. "Make it stop..."

Biomass required. Consume. 

The voice in his head was back. Cold. Logical. Hungry. 

Izuku’s vision swam. Through the darkness of the warehouse, his red-tinted vision caught movement. Thermal signatures. Small, frantic, and clustered together near a pile of rotting wooden pallets. 

Rats. A massive nest of New York sewer rats, feeding on garbage. 

To a human, it was disgusting. To the entity residing in Izuku’s DNA, it was salvation. It was raw material. 

Izuku tried to fight it. He tried to tell himself it was gross, that he shouldn't. But the hunger was absolute. His body acted on its own. 

Izuku’s right arm shot out. The flesh unraveled instantly, exploding into a dozen thin, whip-like black tendrils. They shot across the warehouse floor like striking vipers. 

The rats didn't even have time to squeak. 

The tendrils impaled the swarm, wrapping around the rodents. But they didn't crush them. The tendrils acted like organic acid, breaking the rats down at a molecular level upon contact. Fur, bone, blood, and meat dissolved into raw, glowing red biomass. 

The tendrils snapped back, pulling the harvested biological matter into Izuku’s arm. 

Izuku let out a strangled gasp as the biomass entered his system. The burning agony in his gut vanished, replaced by a terrifying, euphoric rush of vitality. He could feel his torn muscles knitting together tighter, denser than before. He could feel his broken collarbone fusing into something stronger than human bone. The gaping knife wound on his stomach completely sealed, leaving smooth, unblemished skin. 

Izuku pulled his arm back. The tendrils melted away, leaving a perfectly normal human hand. 

He sat up slowly in the darkness of the warehouse. The rain hammered against the tin roof above. He was completely healed. He wasn't tired. In fact, he felt stronger, faster, and more alive than he had ever felt in his entire fourteen years of existence. 

He looked at his hands. They were clean. 

But Izuku Midoriya curled into a ball on the dusty floor and began to weep. 

He remembered the feeling of the blades slicing through flesh. He remembered the cold, mechanical urge to slaughter. He remembered the feeling of the rats dissolving into his veins. 

He had always wanted to be a hero. He had dreamed of standing in the sun, wearing a bright costume, smiling and telling people that everything was going to be okay. 

But as the darkness of the warehouse closed in around him, Izuku realized the horrifying truth. 

He wasn't an X-Man. He wasn't an Avenger. 

He was a monster.

The morning sun did little to warm the damp, rotting interior of the abandoned warehouse. It filtered through the grimy skylights in pale, gray shafts, illuminating the dust motes that danced in the stale air. 

Izuku Midoriya sat huddled in the corner, his knees pulled tightly to his chest. He hadn't slept. Every time he closed his eyes, he saw the alleyway. He saw the crimson arc of blood, the severed arm hitting the pavement, the absolute, paralyzing terror in the eyes of the men he had dismantled. 

He looked down at his hands. They were his hands—pale, scarred from years of clumsy childhood accidents, the fingernails bitten down from anxiety. But they felt foreign. They felt like a costume he was wearing over something infinitely darker. 

A sudden, sharp pain flared in his right bicep. Izuku hissed, grabbing his arm. Beneath the fabric of his ruined yellow sweater, his flesh was moving. 

He rolled up his sleeve with trembling fingers. The skin was bubbling, rippling as if worms were writhing just beneath the surface. Small, black-and-red tendrils occasionally pierced through his pores, waving blindly in the air for a fraction of a second before snapping back under the skin. It didn't bleed. It didn't even leave a mark. It was simply his cells, unstable and agitated, struggling to maintain a human form. 

"Stop it," Izuku whispered, tears brimming in his eyes. He squeezed his arm tightly. "Please, just stop."

The mutation was hungry again. 

The rats he had consumed hours ago had provided a massive burst of regenerative energy, but the Prototype mutation was a furnace that constantly demanded fuel to maintain its unstable matrix. The hunger wasn't just a dull ache in his stomach; it was a profound, cellular starvation. It felt like a million tiny needles pricking his internal organs, demanding biomass.

He needed to get home. He needed his mother. But the thought of Inko seeing him like this—seeing her sweet, quirkless boy turning into a bubbling mass of bio-weaponry—terrified him more than the Purifiers had. What if he lost control around her? What if the hunger took over? 

A loud, synthetic hum vibrated through the floorboards, pulling Izuku from his spiraling panic. 

It was a deep, oscillating frequency that rattled the corrugated metal walls of the warehouse. Izuku scrambled to his feet, his breath catching in his throat. He peeked through a crack in the boarded-up window. 

Hovering just above the street, scanning the alleyways with sweeping blue searchlights, were three sleek, silver drones. They bore the insignia of Sentinel Services—the government's mutant-hunting division. 

“Attention. Biological anomaly detected in Sector 4,” a mechanical, digitized voice echoed from the lead drone. “Class 5 Biomass signature acquired. Lethal force authorized for containment.”

Izuku’s blood ran cold. Class 5 Biomass signature. They weren't looking for a kid who got into a fight. They were tracking the virus. They were tracking him.

He backed away from the window, his heart hammering against his ribs. The mutation reacted to his rising panic. His left hand suddenly blackened, the skin hardening into a chitinous, bio-metallic shell for a few seconds before violently reverting to flesh. His body was preparing for combat, trying to force the blades out. 

"No, no, no," Izuku muttered, grabbing his left wrist and pressing it against his chest. He couldn't fight. If he fought, he would kill them. If he killed them, he really was the monster the Purifiers said he was.

He had to run. 

Izuku bolted toward the rear exit of the warehouse. He pushed through the rusted metal door, bursting out into a narrow, trash-filled alley that let out into a sprawling, half-finished construction site on the edge of the East River. 

The moment his boots hit the muddy ground, a blinding spotlight hit him from above. 

“Target acquired.” 

Izuku looked up, shielding his eyes. The drones had found him. But they weren't alone. 

Descending from the low-hanging gray clouds were two full-sized Sentinels. They were towering, three-story-tall monstrosities of purple and silver armor, their glowing yellow eyes locked onto Izuku’s small frame. The heavy THUD of their boots hitting the ground shook the earth, vibrating up through Izuku’s legs and rattling his teeth. 

“Halt. Mutant designation unknown. Biomass readings exceed Class 5 parameters,” the Sentinel on the left boomed, its voice devoid of anything resembling humanity. It raised a massive, cannon-like arm, the barrel glowing with a lethal, orange heat. “Surrender for immediate termination.”

Surrender for termination. An oxymoron that only a machine designed for genocide could deliver. 

Izuku backed up, slipping in the mud. He was trapped against a towering pile of steel I-beams. 

Threat detected. Annihilate. 

The instinct flared in his brain. The hunger roared. His forearms began to burn, the flesh turning pitch black as the virus desperately tried to manifest the Claws to defend its host. The red glow began to bleed into his vision. 

"No!" Izuku screamed, falling to his knees. He grabbed his own arms, digging his human fingernails into the shifting, bubbling flesh, trying to mentally force the mutation down. "I won't! I won't do it again!"

“Target is resisting. Commencing pacification,” the Sentinel droned. 

The Sentinel’s palm cannon flared brighter. Izuku squeezed his eyes shut, raising his human arms to shield his face, bracing for the incinerating heat. 

BAMF.

A sound like imploding air shattered the heavy silence of the construction site, accompanied by a thick, acrid smell of brimstone and sulfur. 

Suddenly, a hand grabbed the scruff of Izuku's ruined sweater. The world around him twisted, folding inside out in a nauseating blur of purple smoke and impossible geometry. 

KABOOM!

The plasma blast obliterated the pile of steel I-beams where Izuku had been kneeling a millisecond prior, sending molten slag raining down on the mud. 

Izuku opened his eyes. He was no longer in the mud. He was perched atop a half-built concrete wall, fifty feet away. 

Crouched beside him was a man covered in fine, indigo fur. He had two fingers on each hand, a prehensile tail that flicked nervously behind him, and glowing golden eyes. He wore a sleek black and yellow uniform with an 'X' emblazoned on the shoulder. 

"Easy there, mein freund," Kurt Wagner—Nightcrawler—said, his German accent thick and soothing. "You are cutting it a bit close, no?"

Izuku’s jaw dropped. He recognized him instantly. Nightcrawler. Teleporter. Expert acrobat. Former circus performer. Izuku’s fanboy brain desperately wanted to pull out his notebook, but the sheer terror of the moment kept him frozen. 

“Target relocated. Secondary mutant detected,” the Sentinel announced, pivoting its massive torso toward the wall. 

"Not for long," Kurt grinned, showing sharp canine teeth. 

The sky above them darkened instantly. The pale morning gray was violently overwritten by boiling, pitch-black thunderclouds. The air grew incredibly heavy, static electricity causing the hairs on Izuku's arms to stand up. 

Floating down from the heavens, suspended by gale-force winds, was a woman of breathtaking majesty. She wore a black tactical suit with gold accents, a flowing cape that snapped in the wind, and her stark white hair whipped around her face. Her eyes were completely white, glowing with raw, atmospheric power. 

Ororo Munroe. Storm. 

"Machines of hatred," Storm's voice resonated, amplified by the thunder rolling above them. "You will not harm another child today."

She raised her hands. The heavens tore open. 

A bolt of lightning, thick as a redwood tree, struck the first Sentinel squarely in the chest. The concussive boom was deafening. The machine’s shields flared and instantly shattered, the millions of volts frying its internal circuitry. The Sentinel staggered backward, smoke pouring from its joints, before collapsing into the mud with a catastrophic crash. 

The second Sentinel recalibrated, raising both arms toward Storm. “Omega-level threat detected. Engaging.”

Before it could fire, a blur of motion launched from the shadows of a nearby bulldozer. 

It was a man, short but built like a brick outhouse. He wore a yellow and blue suit, a cowl with sharp, black fins, and from the knuckles of his clenched fists protruded six razor-sharp claws of indestructible adamantium. 

SNIKT.

Wolverine hit the Sentinel’s leg like a cannonball. He didn't just slash; he tore. His adamantium claws sheared through the Sentinel’s reinforced titanium armor like a hot knife through butter. He spun, climbing the machine's leg in a frenzy of sparks and shrieking metal, leaving deep, devastating gashes in his wake. 

The Sentinel thrashed, trying to swat Wolverine off, but the mutant was too fast, too vicious. Logan reached the chest cavity, drove his claws deep into the central processor, and violently ripped his arms outward. 

The machine sparked, violently convulsed, and shut down, toppling over like a felled giant. 

In less than thirty seconds, the X-Men had reduced the government's billion-dollar death machines to smoking scrap. 

Izuku watched, breathless. It was the most incredible thing he had ever seen. This was it. This was real heroism. They didn't kill anyone; they just destroyed the machines and saved him. 

Kurt gently placed a hand on Izuku's shoulder. "Are you alright, young one?"

Izuku nodded numbly, too shocked to speak. Kurt wrapped an arm around him, and with another BAMF of brimstone, teleported them down to the muddy ground, safely away from the sparking wreckage. 

Storm descended gracefully, the wind dying down and the clouds parting slightly. She looked at Izuku with eyes full of deep, maternal compassion. "You are safe now, little one. We have a safe place for people like us."

Izuku wanted to cry. He wanted to say thank you. He opened his mouth, but what came out was a wet, ragged cough. 

From the wreckage of the Sentinel, Wolverine dropped to the ground. He retracted his claws with a metallic shing and began walking toward them, pulling a half-smoked cigar from one of his pouches. 

But as Logan closed the distance to thirty feet, he froze. 

His nostrils flared. 

Wolverine’s enhanced senses were legendary. He could smell a drop of blood from a mile away. He could smell fear, sweat, and lies. 

But what hit his nose now made his animal instincts scream in absolute, unparalleled panic. 

The kid sitting in the mud didn't smell like a human. He didn't smell like a mutant. 

He smelled like a slaughterhouse. 

Logan smelled the metallic tang of the three Purifiers Izuku had maimed. He smelled the rotting, dissolving flesh of the hundreds of rats Izuku had consumed. He smelled blood, bone marrow, and raw, shifting DNA. But beneath it all, he smelled the apex predator—a biological entity that was infinitely more dangerous, more lethal, than anything Logan had ever encountered. 

"Logan?" Storm asked, noticing his sudden rigidity. 

Wolverine didn't answer. His eyes locked onto Izuku. SNIKT. His adamantium claws popped back out of his knuckles, glinting in the pale light. He dropped into a low, predatory crouch, his muscles coiled like springs. 

"Get away from it, Ro," Logan growled, his voice a low, dangerous rumble. "Kurt, grab her and back away. Now."

Kurt and Storm looked at Logan in shock, then at the trembling boy. 

"Logan, what are you doing?" Storm demanded, stepping protectively in front of Izuku. "He is just a child! He is injured!"

"That ain't a child, Ororo!" Logan barked, his eyes never leaving Izuku. The hair on his arms was standing up. His healing factor was actually pumping adrenaline into his system in preparation for a lethal fight. "I don't know what the hell that thing is, but it reeks of death. It smells like shifting meat and a hundred corpses. It's a bio-weapon."

Izuku shrank back, terror seizing his heart. He knows. He can smell it. He knows I'm a monster.

The virus inside Izuku reacted to Wolverine's aggression. It recognized the adamantium claws as a lethal threat. Izuku’s right arm twitched violently. The skin began to boil again, darkening, preparing to unleash the Blade to defend itself against the mutant. 

"No, no, please," Izuku sobbed, grabbing his right arm with his left hand, digging his fingers in to stop the transformation. "I don't want to fight! Please! I'm sorry!"

Storm looked down at Izuku, seeing the boy desperately fighting his own body. She saw the tears streaming down his face, cutting tracks through the grime and dried blood on his cheeks. She turned her fierce gaze back to Wolverine. 

"Put your claws away, Wolverine. That is an order," Storm commanded, her voice ringing with the authority of a queen. The air crackled with a sudden surge of static electricity, a warning. 

Logan gritted his teeth. His instincts were screaming at him to carve the anomaly to pieces before it could infect or kill them. But he looked at Storm, then back at the boy. The kid was crying. He was terrified of himself. 

With a heavy sigh and a string of muttered curses, Logan retracted his claws. The snikt echoed loudly. "Fine. But if that thing twitches wrong, I'm putting it down, Ro. Mark my words."

Storm knelt beside Izuku. She ignored the strange, rippling movement under the skin of his arm and gently placed a hand on his cheek. 

"Do not listen to him," she said softly. "Your power scares you. It happens to many of us when we first awaken. You have been through a terrible ordeal, but you are not a monster. You are a child who needs help. What is your name?"

"I-Izuku," he stammered, his voice weak and raspy. "Izuku Midoriya."

"Well, Izuku Midoriya," Storm smiled warmly. "I am Ororo. We are the X-Men. And we are going to take you home."

The exhaustion, the starvation, and the sheer emotional whiplash of the last twelve hours finally caught up to him. The adrenaline drained from his system like water from a cracked vase. Izuku’s eyes rolled back in his head, and he collapsed forward into Storm’s arms, slipping into the dark, merciful void of unconsciousness. 

High above the clouds, cloaked from all radar and visual detection, the X-Jet—the Blackbird—tore through the sky toward Westchester County. 

In the rear medical bay of the jet, Izuku lay strapped to a gurney. An IV was in his arm, though the needle had bent twice against his toughened skin before Beast, acting remotely via comms, instructed them to find a softer vein near the wrist. 

In the cockpit, Storm piloted the jet while Kurt monitored the scanners. Wolverine sat in the jump seat nearest to the medbay, his arms crossed, his eyes glaring daggers at the unconscious boy. He couldn't shake the smell. It made his skin crawl. 

"Professor," Storm said, pressing a finger to her earpiece. "We are twenty minutes out. We have the anomaly. It is a young boy, perhaps fourteen. He is suffering from severe trauma and exhaustion."

Back at the Xavier Institute for Higher Learning, Professor Charles Xavier sat in his wheelchair within the spherical chamber of Cerebro. He pressed his fingertips to his temples. 

"Excellent work, Ororo," Xavier’s voice echoed gently in her mind. "I am attempting to establish a gentle telepathic link with the boy now, just to soothe his mind and ease his transition when he wakes. I want to assure him he is safe."

"Be careful, Charles," Wolverine grunted aloud, knowing Xavier could hear him. "There's somethin' wrong with his scent. It ain't a normal mutation. Smells like a damn virus."

"Noted, Logan. I will proceed with caution."

In the mansion, Xavier closed his eyes and reached out with his unparalleled telepathic power. He gently brushed against the sleeping mind of Izuku Midoriya. Usually, a human or mutant mind felt like a room. Some were chaotic and messy, others structured and neat. 

Xavier pushed open the door to Izuku’s mind. 

He didn't step into a room. He stepped into an ocean of screaming static. 

Xavier gasped, his physical body jolting in his wheelchair. 

It wasn't just one mind. Izuku's consciousness was tethered to a vast, horrifying biological network. Every single cell in the boy's body possessed a microscopic, primitive sentience, completely bound together by the Prototype virus. 

As Xavier tried to pull back, the virus noticed the psychic intrusion. 

It didn't attack like a telepath would; it reacted like an immune system. It surged forward to consume the foreign data. Xavier suddenly felt the echoes of the things Izuku had absorbed. He heard the squeaking terror of a hundred dying rats. He felt the phantom pain of a knife tearing into flesh. He heard the agonizing screams of the Purifiers as their limbs were severed. He felt the cold, unyielding, biological hunger of an apex predator that viewed the entire world as nothing more than meat to be harvested. 

"CONSUME. EVOLVE. REPLICATE." 

The psychic feedback was deafening. It was a maelstrom of bio-digital noise. 

"Gah!" Xavier cried out aloud in Cerebro, forcefully breaking the connection. He slumped forward in his wheelchair, clutching his head, his nose bleeding slightly. 

In the Blackbird, Storm heard the psychic recoil through the link. "Professor! Charles, are you alright?"

"I... I am fine, Ororo," Xavier’s voice returned, though it was strained, shaken, and laced with profound shock. "Logan... you were right to be cautious."

"What is it, Chuck?" Logan asked, leaning forward, his eyes narrowing at Izuku. 

"His mind... it is not localized in his brain," Xavier explained, wiping the blood from his lip. "His consciousness is distributed throughout his entire cellular structure. Every cell is a living, thinking virus. I cannot read him without being pulled into a biological network. He is... he is entirely unique. And incredibly dangerous."

Logan let out a low growl. "I told ya. We should throw him out the airlock before he wakes up and eats us."

"No, Logan," Xavier said, his voice regaining its firm, compassionate authority. "Beneath the noise, beneath the hunger... I felt him. I felt the boy. He is terrified. He is fighting his own nature with a willpower I have rarely seen. We do not execute children who are victims of their own genetics. Bring him home."

Logan leaned back, chewing aggressively on his unlit cigar. "Your funeral, Chuck. But I'm sleepin' with one eye open."

Awareness returned to Izuku slowly. 

It didn't come with the sudden gasp of a nightmare, but rather a slow fading of the darkness. The first thing he registered was the smell. It smelled like antiseptic, clean linen, and ozone. 

He opened his eyes. 

The ceiling was a pristine, brightly lit white. He was lying on a remarkably comfortable bed. He felt a slight tug on his arm and looked down to see an IV line taped to his wrist, feeding him a clear fluid. Monitors beeped softly in a rhythmic, reassuring tempo next to his bed. 

He was in a medical facility, but it looked incredibly advanced—stainless steel, glass partitions, and holographic displays hovering over the foot of his bed. 

Izuku sat up slowly. He wore a simple, oversized gray t-shirt and loose pajama pants. He felt his chest. The bullet holes were gone. He felt his stomach. The stab wound was gone. His body was perfectly whole. 

The memories of the alley, the rats, and the Sentinels came rushing back. He panicked for a second, looking at his hands, fully expecting to see the black, murderous claws. But they were just his hands. The mutation was dormant, sated by the rats and whatever nutrients the IV was providing. 

"Ah, I see our sleeping beauty has finally decided to join the waking world," a deep, rumbling, highly educated voice said from the corner of the room. 

Izuku jumped, his head snapping toward the sound. 

Stepping out from behind a glass partition was a massive, hulking figure covered in blue fur. He wore half-moon spectacles perched on his nose, a white lab coat tailored to fit his massive frame, and he held an electronic tablet in one large, clawed hand. 

Izuku’s jaw hit the floor. His fanboy instincts, suppressed by trauma for the last twenty-four hours, suddenly violently rebooted. 

"Y-You're Dr. Henry McCoy," Izuku squeaked, his eyes wide as saucers. "The Beast! You hold six Ph.Ds! You're the leading expert in mutant genetics and a founding member of the X-Men!"

Hank McCoy paused, adjusting his glasses, a warm, toothy smile spreading across his blue face. "Well, I see my reputation precedes me. Though, I must admit, I usually only get the 'Ah, a monster!' reaction. This is a refreshing change of pace, Mr. Midoriya."

Izuku blushed furiously, looking down at his lap. "I... I read a lot about heroes. You guys are... you're my idols."

"A scholar of the extraordinary, I see," Hank chuckled, walking over to the bed and checking the IV monitor. "Fascinating biology you have, Izuku. I had to use a diamond-tipped needle to pierce your dermis, and even then, your skin tried to dissolve it. I’ve been analyzing the blood sample I managed to extract. It’s... quite literally unlike anything in recorded medical history."

Izuku’s shoulders slumped. The excitement vanished, replaced by the heavy, suffocating dread. "It's a virus, isn't it? I'm sick."

"Technically, yes, it behaves like a retrovirus," a new voice said. 

The doors to the medbay slid open with a soft hiss. 

Entering the room was a bald man in a high-tech hover-wheelchair. He wore a sharp, immaculate tweed suit, and his eyes held a depth of wisdom and sorrow that seemed infinitely old. Behind him stood Ororo, wearing civilian clothes—a soft sweater and slacks—and the terrifying man with the claws, Logan, dressed in a plaid flannel shirt and jeans, leaning against the doorframe, scowling. 

Izuku instantly recognized him. Professor Charles Xavier. The most powerful telepath on the planet. 

"But you are not 'sick,' Izuku," Xavier continued, rolling his chair to the foot of the bed. "Your X-Gene did not manifest as a traditional power. It manifested as a complete biological overhaul. You have become something entirely new."

Izuku looked at his hands, his voice dropping to a terrified whisper. "I hurt people, Professor. I didn't want to. I tried to stop it, but it... it took over. It turned my arms into these... these blades. I cut a man's arm off. I... I ate rats to heal." 

Tears began to spill over Izuku’s cheeks. He pulled his knees up, hiding his face in his arms, sobbing. "I'm a monster. The Purifiers were right. I'm exactly what they said I am."

The room was silent for a moment, save for the soft beeping of the monitors. 

Logan shifted his weight against the doorframe. His enhanced senses picked up the boy's emotions. There was no deception. There was no malice. Only the pure, unadulterated guilt and terror of a kid who had been handed a cursed weapon. Logan’s scowl softened, just a fraction. He knew a thing or two about being a monster against your will. 

Storm stepped forward and sat gently on the edge of Izuku’s bed. She placed a comforting hand on his back. 

"Look at me, Izuku," Xavier said, his voice gentle but commanding. 

Izuku sniffled, slowly lifting his head to meet Xavier’s gaze. 

"A monster," Xavier said softly, "is defined by their choices. By the malice in their heart. When I brushed against your mind while you slept, I felt the sheer, terrifying power of your mutation. It is brutal. It is hungry. But above all of that, I felt you."

Xavier leaned forward. "I felt a young man who stood in front of a little girl, willing to die to protect her from men with bats and knives. I felt a boy who fought his own survival instincts, who fought the viral imperative to kill, just to spare the lives of the men who tried to murder him."

Izuku wiped his eyes, his breath hitching. "But my power... it's evil."

"Powers are not good or evil, kid," Logan grunted from the doorway, crossing his arms. "They're just tools. A hammer can build a house, or it can crush a skull. Depends on who's swingin' it."

Logan tapped his knuckles, the skin rippling slightly where the adamantium claws hid. "I got knives in my hands. I was built to kill. Doesn't mean I gotta be a murderer. You got a beast inside you? Fine. Then you gotta learn to keep it on a leash."

Izuku looked at Logan, seeing the parallel. Wolverine was known as one of the most lethal beings on earth, but he used that lethality to protect people. He was a hero. 

"You are safe here, Izuku," Xavier said, offering a warm, welcoming smile. "This is a sanctuary for those the world does not understand. Here, we can teach you. We can help you understand your mutation, how to control it, and how to ensure that the beast never takes the wheel again."

Izuku looked around the room. He looked at Hank, who smiled encouragingly. He looked at Storm, whose eyes were filled with maternal warmth. He looked at Logan, who gave a gruff nod. And he looked at Xavier, who offered him the one thing Izuku had been denied his entire life. 

A chance. 

"Can I..." Izuku started, his voice trembling as he looked at Xavier. "With a power like this... can I really be a hero?"

Xavier smiled, his eyes twinkling. "I believe, Izuku Midoriya, that you have the potential to be one of the greatest heroes this world has ever seen. Welcome to the X-Men."

For the first time in twenty-four hours, Izuku didn't feel the hunger. He didn't feel the cold, mechanical urge of the virus. 

He just felt human. And for now, that was enough.

The Xavier Institute for Higher Learning was a place of impossible contradictions. From the outside, it was a pristine, sprawling estate in Westchester County, a monument to old money and quiet, aristocratic dignity. Inside, it was a chaotic, vibrant sanctuary where the laws of physics were treated as mere suggestions. 

Izuku Midoriya awoke on his third day at the mansion to the sound of someone falling through his ceiling. 

He bolted upright in his bed, the sheets tangling around his legs. A young girl with long, curly brown hair and a phased, translucent body was halfway through the oak floorboards of his room, giggling uncontrollably. 

"Oh, shoot! Sorry!" she chirped, her molecular structure solidifying as she pulled herself up to stand fully in Izuku’s room. She wore a yellow and black uniform and possessed a smile that could light up a city block. "I was racing Bobby down the hall and totally forgot to check my vector trajectory. My bad!"

Izuku clutched his blankets to his chest, his face flushing violently. "I-It's okay! Y-You're Kitty Pryde! Shadowcat! Your ability to phase through solid matter by altering your atomic density is incredible! Does passing through dense electrical fields disrupt your molecular cohesion? Ah, I mean, g-good morning!"

Kitty blinked, her smile widening into a grin. "Wow, you talk fast. You must be the new kid Mr. Logan found. I'm Kitty. Nice to meet ya!" 

Before Izuku could respond, a loud POP echoed from the open doorway. Leaning against the frame was a girl with short black hair, wearing a bright yellow trench coat and oversized pink sunglasses despite being indoors. She was blowing a massive bubble of pink chewing gum, which popped loudly over her lips. 

"Leave the poor kid alone, Kitty, you're stressing him out," Jubilee smirked, sauntering into the room. Sparks of multicolored plasma danced playfully across her fingertips. "He's probably traumatized enough just being on the same floor as Logan's room. Guy snores like a chainsaw chewing through gravel. I'm Jubilee, by the way. Welcome to the nuthouse."

"I'm Izuku," he said, offering a nervous bow from his seated position on the bed. "Izuku Midoriya. It's an honor to meet you both."

"He bows! That is so cute," Kitty squealed. "Come on, Izuku! Get dressed! Piotr made pancakes, and if you don't hurry, Bobby and Sam will eat them all." 

With that, Kitty grabbed Jubilee’s wrist and casually pulled them both backward, phasing directly through the solid oak door and disappearing into the hallway. 

Izuku let out a long breath, falling back onto his pillows. He stared at the ceiling. I'm at the X-Mansion. I just met Shadowcat and Jubilee. 

His inner fanboy was screaming in absolute delight, desperately wishing he had his Hero Analysis notebooks. But as he raised his hands to rub the sleep from his eyes, the euphoria shattered. 

Underneath the pale skin of his forearms, a faint, rhythmic shifting occurred. It was microscopic, but he could feel it—a biological hum, like a million tiny insects vibrating in unison. It was the virus. The Prototype mutation. It was awake, and it was hungry. 

The smile fell from Izuku’s face. He remembered the blood in the alleyway. He remembered the feeling of raw biomass sliding into his system, repairing his ruined flesh. He wasn't like Kitty or Jubilee. They had gifts—beautiful, spectacular gifts that defied science. 

He had a curse. He was a bio-weapon wearing the skin of a fourteen-year-old boy. 

Control it, Izuku told himself, squeezing his fists tightly. Professor Xavier said I could control it. I just have to try.

He threw off the covers, dressed quickly in a pair of jeans and an oversized green hoodie provided by the school, and made his way down to the kitchen. 

The dining hall was massive and smelled like maple syrup, bacon, and burnt toast. A dozen teenage mutants were scattered around the long wooden tables, laughing, arguing, and using their powers casually. A boy made of solid ice was chilling a pitcher of orange juice with his hand. A girl with butterfly wings was hovering near the ceiling, grabbing a rogue balloon. 

At the stove stood a colossus of a man. He was easily seven feet tall, with a broad, gentle face. He was flipping pancakes with a massive spatula, wearing a floral apron that looked ridiculously small on his massive frame. 

"Ah, the new arrival," Piotr Rasputin—Colossus—boomed, his Russian accent thick and warm. He turned, holding a platter piled high with pancakes. His skin wasn't flesh; it was currently shifted into articulated, shining organic steel. "Come, little one. Dr. McCoy informed me of your... unique dietary requirements. You must eat."

Izuku approached nervously. Hank McCoy had explained it to him yesterday. Izuku’s body burned through calories at an astronomical rate, especially when regenerating or keeping the virus dormant. While raw biomass—like the rats—was the most efficient fuel, Beast had theorized that an absurdly high-protein, calorie-dense diet of normal food might act as a buffer, keeping the mutation's predatory hunger at bay without requiring Izuku to, as Logan so bluntly put it, "eat the neighbors."

Piotr set down a plate in front of Izuku that held no less than fifteen pancakes, six scrambled eggs, and a pound of bacon. 

Izuku’s eyes widened. "I... I can't eat all this."

"Your cellular structure disagrees," Hank said, walking into the kitchen holding a mug of coffee in one blue hand and a data pad in the other. "Good morning, Izuku. Eat up. We have a big day ahead of us. We need to see what that body of yours can do in a controlled environment."

Izuku’s stomach churned, but the moment the smell of the meat hit his nose, his mouth watered violently. The virus wanted it. 

He sat down and began to eat. He didn't just eat; he inhaled the food. To the amazement of Kitty and Jubilee, who were watching from across the table, Izuku demolished the massive plate in under four minutes. 

As the food hit his stomach, Izuku closed his eyes. He could feel it happening. His stomach acids, highly corrosive and altered by the Blacklight strain, broke the food down instantly. He felt a rush of warmth spread through his limbs. The faint, nagging hunger that had been clawing at the back of his mind settled into a low, satisfied purr. 

"Incredible," Hank muttered, tapping on his tablet. "Your metabolism is operating at nearly three hundred times the baseline human rate. Are you experiencing any gastrointestinal distress?"

"No, sir," Izuku said, wiping his mouth, feeling slightly embarrassed by his display of gluttony. "I feel... okay. Just really energized."

"Excellent," Hank smiled. "Finish your juice, Izuku. Professor Xavier and Logan are waiting for us in the sub-basement."

Izuku’s heart skipped a beat. The sub-basement. That was where the Danger Room was. 

The Danger Room was a marvel of Shi'ar technology and human engineering. It was a massive, cavernous chamber composed of shifting metallic tiles, capable of generating hard-light holograms, gravity fluctuations, and lethal combat scenarios. 

Izuku stood in the center of the vast, empty room. He had been given a standard X-Men training uniform—a sleek, form-fitting suit of dark blue and yellow made of unstable molecules, designed to stretch and shift without tearing. 

He felt incredibly small. 

Up in the observation booth, situated behind a thick pane of reinforced glasteel, stood Professor Xavier, Beast, and Wolverine. 

"Can you hear us clearly, Izuku?" Professor Xavier’s voice echoed gently in Izuku’s mind, a soft telepathic link to avoid using the loudspeakers. 

Yes, Professor, Izuku thought back, clutching his hands to his chest. I'm ready. I think.

"There is nothing to fear," Xavier reassured him. "This is merely a diagnostic test. We need to understand your baseline physical capabilities, and we need you to consciously attempt to manifest your mutation in a safe environment. Hank will be monitoring your vitals and cellular activity."

In the booth, Logan chewed on a toothpick, his arms crossed over his chest. "He's terrified, Chuck. Look at him. Kid's shakin' like a leaf."

"Trauma is a difficult shackle to break, Logan," Xavier replied softly. "He associates his power with death and loss of control. He must learn that he is the master of his body, not the other way around."

"Let's hope," Logan grunted. "Fire it up, Hank. Level one."

Down in the chamber, the lights dimmed. A synthetic female voice echoed through the room. "Simulation initialized. Combat Sequence Alpha."

The metallic tiles of the floor shifted and folded outward. Three figures digitized into existence around Izuku. They were hard-light holograms, programmed to look and act like standard anti-mutant Purifier thugs, armed with baseball bats and stun batons. 

Izuku’s breath hitched. His eyes widened as he stared at the holograms. 

It wasn't real. He knew it wasn't real. But the visual of the Purifiers violently yanked his mind back to the alleyway. He felt the phantom pain of the knife in his gut. He heard the little girl crying. 

Threat detected, the virus whispered in the dark corners of his mind. Eliminate.

Izuku’s forearms burned. The skin began to ripple, the black and red tendrils pressing against the underside of his flesh, begging to be let out. They wanted to form the blades. They wanted to paint the metal walls red. 

"No," Izuku gritted his teeth, shaking his head rapidly. "No, stay back."

"Izuku, defend yourself," Xavier instructed. 

The first hologram charged, swinging a stun baton at Izuku’s head. 

Izuku ducked. His baseline speed, permanently enhanced by the virus, was astounding. He moved so fast that the baton missed him by a foot, and he easily slipped behind the hologram. 

Strike. Tear. Consume, the virus urged. 

"I won't!" Izuku yelled aloud. Instead of using the claws, Izuku balled his human hand into a fist and threw a standard punch at the hologram's back. 

He had no training. His form was sloppy. But the sheer kinetic force behind his enhanced muscles was devastating. His fist slammed into the hologram. The hard-light construct flickered violently, launched forward by the impact, and shattered into pixels against the wall. 

In the booth, Beast adjusted his glasses. "Fascinating. Even without manifesting the biomass weapons, his baseline muscular density allows him to exert roughly three tons of force with a standard strike."

"But he ain't fighting," Logan scowled, leaning closer to the glass. "He's panicking. He's trying to pretend he's just a strong kid."

Down below, the remaining two holograms flanked Izuku. One swung a baseball bat, striking Izuku squarely in the ribs. 

Izuku gasped, stumbling sideways. It hurt. The hard-light simulations had mass and weight. His ribs didn't break—his bone density was too high for a wooden bat to shatter—but the blunt force still rattled his organs. 

Pain detected. Defensive protocols engaging. 

Izuku’s left arm suddenly darkened, the skin hardening into a chitinous, black bio-armor. The virus was trying to form the Shield. 

"Stop it!" Izuku screamed at his own arm, grabbing it with his right hand and forcing the mutation back under his skin. 

Because he was distracted fighting his own body, the third hologram tackled him from behind. Izuku hit the metallic floor hard. The two holograms descended on him, raining blows down on his back and head with their weapons. 

Izuku curled into a fetal position, his hands over his head. 

"Please!" Izuku cried out, tears welling in his eyes. "Make it stop! I don't want to use them! I don't want to kill!"

In the booth, Xavier sighed, his face lined with sorrow. "That is enough, Hank. End the simulation. He is not ready."

"No. Don't end it," Logan said, his voice a low, commanding growl. He stepped away from the glass and moved toward the control console. 

"Logan, what are you doing?" Hank asked, stepping in his way. "The boy is having a panic attack."

"The boy is letting the beast win by fear," Logan pushed past Hank, slamming his fist down on a green button on the console. "He thinks the only thing his mutation can do is cut. He thinks he's a slave to it. He needs to figure out who's holding the leash, or he's gonna get himself killed out there in the real world."

Logan grabbed a microphone. "Computer. Upgrade threat level. A.I. protocol: Lethal pressure. Remove the Purifier skins. Give him Sentinels."

"Logan, stop!" Xavier ordered, his voice sharp. 

Down in the Danger Room, the Purifier holograms vanished. Izuku, bruised and panting, slowly pushed himself up off the floor. 

The lights flashed red. 

The floor opened up, and three new holograms digitized. They were eight-foot-tall, combat-model Sentinels. Sleek, silver, and entirely robotic. Their eyes glowed a menacing crimson, and their arms shifted into high-yield plasma cannons. 

"Target acquired. Extermination authorized," the synthetic Sentinel voices buzzed in unison. 

Izuku froze. Pure, unadulterated terror spiked through his veins. 

"Listen to me, kid," Logan’s gruff voice boomed over the loudspeakers. "You're standing there crying 'cause you're scared of the blades. You're scared of the blood. But those machines down there? They don't bleed. And they don't care if you're a good kid. They're gonna vaporize you."

"Logan, stop the simulation!" Izuku yelled, backing away as the Sentinels raised their cannons. "I can't control it! If I let it out, it'll take over!"

"Then don't let it take over!" Logan roared back. "It's your body, Izuku! It's your cells! The virus doesn't have a soul, YOU DO! If you don't want to cut, then tell the damn thing not to cut! Shape it! You're a hero, right? Act like one!"

The Sentinels fired. 

Three beams of searing, simulated plasma streaked toward Izuku. 

Lethal threat. Total annihilation imminent. 

The virus exploded. 

Izuku couldn't hold it back anymore. The survival instinct of the Blacklight strain overrode his panic. Black and red tendrils violently erupted from his shoulders and back, whipping through the air. The biomass surged down his arms, boiling, shifting, preparing to manifest the Claws to carve the machines to pieces. 

NO! 

Izuku’s mind screamed. He planted his feet into the metallic floor, his bright green eyes flaring with an inner, indomitable fire. He visualized the alley. He visualized the severed arm. He visualized the horror. 

I am not a killer! Izuku mentally roared at the virus. I don't want blades! I don't want to pierce! I want to SMASH!

The mutation, a chaotic, malleable force, hit a wall of pure, stubborn willpower. 

The boiling biomass on Izuku’s arms suddenly halted. The sharp, elongated shapes of the Claws collapsed in on themselves. The virus, forced to adapt to the psychological command of its host, rapidly shifted tactics. 

Instead of elongating into blades, the biomass compressed. It thickened. 

Izuku screamed as his forearms ballooned to three times their normal size. The flesh hardened, turning a jagged, craggy, pitch-black color, laced with glowing veins of magma-red energy. The biomass formed dense, asymmetrical boulders of pure, impenetrable organic armor over his hands and forearms, ending in flat, crushing knuckles. 

They weren't weapons meant for slicing flesh. They were weapons meant for shattering armor. 

He had manifested the Hammerfists. 

The plasma beams hit him. Izuku crossed his massive, craggy arms in front of his face. The plasma washed over the Hammerfists, completely harmless against the hyper-dense, heat-resistant biomass. 

Izuku lowered his arms, peering through the smoke. The red glow had returned to his eyes, but this time, it wasn't the chaotic, wild glow of a starving predator. It was focused. It was controlled. 

Izuku stepped forward, raising his right arm high above his head. The Hammerfist was incredibly heavy, feeling like he was wielding a compact car, but his enhanced musculature handled it effortlessly. 

He brought the fist down onto the metallic floor. 

KRA-KOOM!

The impact was cataclysmic. A shockwave of pure kinetic force rippled outward from the strike zone, tearing the metal tiles from the floor. The concussive wave hit the three Sentinels, launching their massive frames into the air like toys. 

Izuku didn't hesitate. He launched himself forward, closing the distance instantly. 

He didn't swing wildly. He swung with purpose. He drove his left Hammerfist squarely into the chest plate of the first falling Sentinel. 

The hard-light construct crumpled inward with a sickening crunch of simulated metal. The force of the blow was so immense that the Sentinel shattered into a thousand pixels before it even hit the far wall. 

Izuku spun, using the momentum to swing a backhand strike with his right arm. He caught the second Sentinel in the side of the head. The simulated head was completely obliterated, cleanly detached from the body by raw, blunt force trauma. 

The third Sentinel landed heavily on its feet, raising its cannon at point-blank range. 

Izuku didn't flinch. He grabbed the barrel of the cannon with his oversized, craggy hand and simply squeezed. The simulated metal crumpled like tin foil. With a feral roar, Izuku drove his other Hammerfist down directly onto the top of the Sentinel's head, driving the machine straight down into the floor, crushing it into a flattened disc of light before it vanished. 

Silence fell over the Danger Room. 

Izuku stood amidst the ruined, cratered floor, his massive, black-and-red arms hanging at his sides. He was panting heavily. The red glow faded from his eyes, returning to green. 

Up in the booth, Beast was typing furiously on his tablet. "Remarkable. Utterly remarkable. He altered the mutation mid-manifestation. He suppressed the piercing edge and generated a hyper-dense blunt-force weapon. The sheer malleability of his cellular structure is boundless."

Xavier let out a breath he didn't realize he was holding, a proud smile touching his lips. "He proved you right, Logan."

Logan smirked, pulling the unlit cigar from his pocket and placing it between his teeth. "Kid's got guts. He just needed to know he was the one driving the car."

Down below, Izuku stared at his massive hands. He concentrated, taking a deep breath, and willed the biomass to recede. It was easier this time. The jagged, black armor melted, shifting back into the smooth, pale skin of his normal arms. 

He fell to his knees, utterly exhausted, but a wide, disbelieving smile broke across his face. 

I did it, he thought. I controlled it. It didn't cut. It didn't bleed. 

The heavy steel doors of the Danger Room hissed open. Logan walked in, his boots clicking against the ruined floor tiles. He stopped a few feet away from Izuku, looking down at the kneeling boy. 

"Not bad, kid," Logan grunted, extending a calloused hand. 

Izuku looked up, beaming, and took Logan's hand. Wolverine hauled him to his feet. 

"You were right, Mr. Logan," Izuku said breathlessly. "I was letting the fear control me. But when I pushed back... it listened to me."

"It always will, as long as your will is stronger than its hunger," Logan said, his tone unusually serious. He let go of Izuku's hand. "But don't get cocky. The Hammerfists are a good start. Blunt force. Non-lethal... mostly. But you were swinging like a drunk brawler in a bar fight. If you fought a mutant with real speed, they'd have danced around you and snapped your neck."

Izuku rubbed the back of his head sheepishly. "I've... never actually been in a real fight before yesterday. I just used my notebooks to analyze heroes."

"Notebooks don't hit back," Logan said. He turned and gestured toward the door. "Go take a shower, eat another cow, and get some rest. Meet me in the dojo at midnight."

Izuku blinked. "Midnight? Why so late?"

"Because the beast inside you doesn't sleep, kid. And neither do your enemies," Logan smirked around his cigar. "You got the power of a god and the technique of a toddler. It's time to learn how to fight."

The dojo was located in the east wing of the mansion. It was a serene, beautifully constructed room of polished cedar wood, tatami mats, and ambient, low lighting. Swords and ancient Japanese armor adorned the walls—a testament to Logan’s extensive past in the East. 

At exactly midnight, Izuku slid the shoji screen open and stepped inside, wearing a loose-fitting white gi. 

Logan was already there, wearing a matching gi, kneeling on the mat with his eyes closed in deep meditation. 

"Sit," Logan commanded softly, without opening his eyes. 

Izuku walked over and knelt across from him, crossing his legs and resting his hands on his knees. 

For ten minutes, there was absolute silence. Izuku tried to sit still, but the silence made the hum of the virus in his blood more noticeable. He fidgeted, his eyes darting around the room. 

"You're loud," Logan finally said, opening one eye. 

"I didn't say anything," Izuku replied, confused. 

"Your mind is loud. Your heart rate is all over the place. You're thinking about your biology, you're thinking about the simulation, you're wondering what I'm gonna teach you," Logan said, sitting up straight. "A fighter with a loud mind is a dead fighter. When you fight, you must be completely present. Empty."

"Empty?" Izuku frowned. "But... my brain doesn't really do empty. I'm always analyzing. Quirk—I mean, mutation variables, environmental factors, tactical advantages..."

"That's good for a tactician. But right now, you need to learn discipline," Logan said. He stood up, walking over to the weapons rack on the wall. He lifted a beautiful, lacquered wooden bokken (practice sword) and tossed it to Izuku. 

Izuku scrambled to catch it, nearly dropping it on his toe. 

Logan picked up a second bokken for himself and walked back onto the mat. "Stand up."

Izuku stood, holding the wooden sword awkwardly with both hands. 

"Your power is a weapon, Izuku. The most versatile, dangerous weapon on the planet," Logan said, slowly circling the boy. "But right now, you treat it like a wild dog you're keeping on a chain. You only let it off the chain when you panic. That's dangerous."

"What should I do instead?" Izuku asked, tracking Logan's movements. 

"You need to view it as an extension of your own soul," Logan stopped, pointing his bokken at Izuku. "Look at that sword. Is the sword evil?"

"No," Izuku shook his head. "It's just a piece of wood."

"Right. If you swing it and crack a man's skull open, it's not the sword's fault. It's yours. Your mutation is the same. The Claws, the Hammerfists, the Whip... they are just tools," Logan explained, his voice dropping into a raspy, intense cadence. "You are the samurai. The virus is your blade. You do not let the blade swing you. You command it with absolute, unwavering authority."

"I am the samurai," Izuku whispered, the metaphor clicking perfectly in his deeply analytical, heroic mind. 

"Exactly. Now, attack me," Logan challenged, raising his bokken into a defensive stance. 

Izuku hesitated. "With powers?"

"No powers. Just the wood," Logan grinned. "Show me what you got, kid."

Izuku tightened his grip on the hilt. He remembered watching videos of Silver Samurai and other swordsmen. He took a breath, stepped forward, and swung the bokken in a wide, horizontal arc toward Logan's ribs. 

Logan didn't even parry. He simply took a half-step back. The wooden blade swished harmlessly through the empty air where Logan had just been. Before Izuku could recover his balance, Logan lightly tapped the top of Izuku’s head with his own bokken. 

Thwack.

"Ow," Izuku winced, rubbing his head. 

"Too slow. You telegraphed that strike from a mile away. You dipped your left shoulder before you swung," Logan critiqued, stepping back. "Again."

Izuku swung again, an overhead strike. 

Logan sidestepped, bringing his bokken up and sweeping Izuku’s legs out from under him with a swift, fluid motion. Izuku hit the tatami mat with a heavy thud. 

"You're swinging with anger," Logan said, looking down at him. "You want to prove to me, and to yourself, that you're strong. Anger makes you predictable. It makes you blind."

Izuku groaned, pushing himself back up. "I'm not angry. I'm just trying to hit you."

"Your body is angry. The virus is constantly in a state of aggression," Logan tapped his own chest. "My healing factor is like yours. It's a survival mechanism. It wants to fight. It wants to survive. To control it, you have to find peace in the center of the storm."

Logan tossed his bokken aside. "Put the sword down. Put your fists up."

Izuku discarded the wooden sword and raised his fists, settling into a sloppy boxing stance. 

Logan stepped in close, moving with terrifying speed. He didn't hit Izuku hard, but he delivered a rapid succession of light jabs to Izuku’s chest, shoulders, and ribs. 

Tap, tap, tap, tap. 

Izuku tried to block, but Logan's hands moved like liquid. He couldn't keep up. Frustration began to bubble in Izuku's chest. He swung a wild right hook. 

Logan ducked underneath it, gently sweeping Izuku's leading leg again, sending him stumbling forward. 

"Breathe, Izuku," Logan commanded, stepping back. "Center yourself. Don't look at my hands. Look at my chest. Watch my center of gravity."

Izuku took a deep breath, shaking out his arms. He squared his shoulders, narrowing his green eyes. He focused on Logan's chest, waiting. 

Logan lunged, throwing a straight right punch. 

This time, Izuku didn't try to block. He remembered the feeling in the Danger Room—the moment he asserted his will over the chaos. He shifted his weight, slipping slightly to the left, letting Logan's fist sail past his ear, and threw a quick, short jab into Logan's ribcage. 

Smack.

Izuku’s fist connected. It wasn't a hard blow, but it landed cleanly. 

Logan stopped, looking down at his ribs, then looked up at Izuku. A genuine, proud grin spread across the gruff mutant's face. 

"There it is," Logan nodded. "You found the quiet."

Izuku lowered his fists, breathless, a triumphant smile lighting up his face. "I saw it. I saw your shoulder shift before you threw the punch."

"You have superhuman reflexes, kid. Your brain processes information faster than a supercomputer," Logan said, crossing his arms. "Once you learn how to filter out the noise of the virus and your own anxiety, you'll be able to read an opponent before they even know they're gonna move."

Logan walked over to a small wooden bench and picked up a towel, tossing it to Izuku. 

"We're gonna do this every night," Logan said. "I'm gonna teach you how to fight like a man, not a monster. We'll work on martial arts, evasion, and restraint. Then, when you're ready, we'll start incorporating your shapeshifting into the forms."

Izuku caught the towel, wiping the sweat from his forehead. He looked at Logan, the man who was known as a killer, but who had just shown him more patience and understanding than anyone ever had. 

"Mr. Logan?" Izuku asked softly. 

"Yeah, kid?"

"Why are you helping me so much?" Izuku asked, his voice laced with genuine curiosity. "Everyone else... they're nice to me, but I know they're scared of me. I can see it in their eyes. But you're not."

Logan sighed, walking over and sitting on the edge of the mat. He stared at the ancient samurai armor on the wall for a long moment before speaking. 

"Because I know what it's like to look in the mirror and see a weapon," Logan said, his voice unusually quiet, stripped of its usual bravado. "I spent a long time being exactly what people told me I was. An animal. A weapon. I hurt a lot of people, Izuku. People who didn't deserve it."

Logan looked back at Izuku, his dark eyes piercing right through the boy. "Charles Xavier saved my life. He looked at a rabid dog and saw a man. He gave me a home. He taught me that I could use my claws to protect the innocent, instead of just slaughtering the guilty."

Logan stood up, walking past Izuku toward the door. 

"You got a good heart, kid. A hero's heart," Logan said, pausing at the threshold. "But you got a demon in your blood. If I don't teach you how to leash it, the world is gonna try to put you down. And I'll be damned if I let the world take another good kid and turn him into a monster."

Izuku stood in the center of the dojo, his fists clenched at his sides. The words resonated deep within his soul, echoing louder than the primal hum of the Blacklight virus. 

He wasn't useless anymore. He wasn't Quirkless. He wasn't a freak, and he wasn't a monster. 

He was Izuku Midoriya. He was the samurai. 

And he was going to forge himself into a Symbol of Peace, no matter how terrifying his sword happened to be. 

Izuku bowed deeply toward the empty doorway, tears of profound gratitude pricking his eyes. 

"Thank you, Sensei," he whispered to the empty room. 

Deep within his cells, the virus churned. It did not understand honor. It did not understand peace. It only knew how to consume and evolve. 

But for the first time since it had awakened in that bloody alleyway, the apex predator within Izuku Midoriya went quiet, yielding to the unbreakable will of its host. The war for his soul had just begun, but Izuku had won the first battle.

The first three weeks at the Xavier Institute for Higher Learning had been a revelation for Izuku Midoriya. For the first time in his fourteen years of existence, he wasn’t looking over his shoulder. He wasn’t bracing for a shove in the hallway or a cruel remark about his lack of a quirk. He was surrounded by people who were, in one way or another, just as out of place in the normal world as he was.

He had settled into a routine. Mornings were dedicated to standard academics—math, literature, history—taught by Professor Xavier and Hank McCoy. Afternoons were spent in the Danger Room, learning how to command his biological arsenal under the careful, scrutinizing eyes of Beast and Cyclops. But the nights belonged to Logan. 

Every night at midnight, Izuku would step into the dojo. He had bruised ribs, a split lip, and a perpetually aching body, but he was learning. Logan was teaching him how to channel his hyper-active analytical mind—the same mind that filled notebook after notebook with hero trivia—into real-time combat awareness. He was learning how to predict movements, how to ground his center of gravity, and most importantly, how to keep the chilling, ravenous hum of the Blacklight virus leashed tightly in the back of his mind.

Izuku felt like he was finally walking the path of a hero. 

It was a crisp, bright Tuesday morning when Professor Xavier made the announcement in their ethics class. 

"Books away, everyone," Xavier said, rolling his hoverchair to the front of the classroom. The room was filled with about twenty young mutants, including Kitty Pryde, Jubilee, Bobby Drake, and Izuku, who was furiously finishing a sentence in his notebook before snapping it shut. 

"Today, we are taking a trip," Xavier announced, folding his hands in his lap. "As mutants, it is easy to become isolated within these walls. We train for combat, we study our genetics, but we must never forget the world we are fighting to protect. And we must never forget that there are mutants out there who do not have the luxury of our sanctuary."

Jubilee leaned back in her chair, blowing a pink bubble. "Field trip? Sweet. Are we going to the city?"

"We are going to the District X Outreach Center in Manhattan," Xavier replied. "Also known as Mutant Town. It is a community center funded in part by our benefactors. They provide food, medical care, and shelter for displaced mutants—many of whom have mutations that make it impossible for them to integrate into standard society."

Izuku’s eyes widened. He had read about District X. It was a ghetto, a forgotten corner of the city where the poor, the strange, and the unwanted clustered together for safety. 

"Storm and Beast will be chaperoning you," Xavier continued, his tone turning serious. "You are not going as soldiers today. You are going as ambassadors. You will serve food, you will help repair the facility, and you will speak to the people there. A hero’s true strength is not measured in the Danger Room, but in their capacity for compassion. Dismissed."

The Blackbird touched down on a concealed, private helipad atop a Wayne Enterprises building in Manhattan (a favor from a quiet ally of the Professor), and the students took a chartered bus the rest of the way into District X. 

As Izuku stepped off the bus, the atmosphere hit him like a physical weight. 

It didn't look like the bright, shining New York he saw on the Avengers' news broadcasts. The buildings were crumbling, covered in layers of graffiti. The streets were cracked, and the air smelled heavily of exhaust, cheap food, and damp concrete. 

But what caught Izuku’s attention were the people. 

A man with a second face protruding from the side of his neck sat on a milk crate, playing a rusted guitar. A woman with feathers instead of hair was hurriedly sweeping the sidewalk in front of a bodega. Two children, one entirely translucent and the other covered in chitinous green scales, were chasing a rubber ball down the alleyway. 

They weren't superheroes. They didn't have powers that could stop a train or shoot lasers. They were just people, cursed by the genetic lottery to wear their differences on the outside, forced to live in the shadows of a society that feared them. 

Izuku felt a profound pang of empathy. This could have been me, he thought. If I hadn't met the X-Men... if the Purifiers had just seen my eyes turn red... I would be hiding in an alley just like this.

"Keep close, everyone," Storm said, her voice carrying easily over the street noise. She wore civilian clothes, but her regal posture commanded absolute respect. Hank McCoy walked beside her, wearing a trench coat and a fedora to obscure his blue fur, though his sheer size drew stares anyway. 

They arrived at the Outreach Center, a large, repurposed brick warehouse. The inside was bustling. There were long folding tables set up for a soup kitchen, a makeshift medical triage area in the corner, and cots lined up along the far wall. 

"Alright, X-Men in training," Hank clapped his large hands together. "Bobby, Kitty, you're on structural repair. Fix those leaking pipes in the back and patch the drywall. Jubilee, Izuku, you're with me on the food line. Let's get to work."

For the next three hours, Izuku forgot about the virus. 

He wore a hairnet and plastic gloves, standing behind a large metal trough of hot stew, ladling it into bowls for the line of people wrapping around the center. He smiled at every single person. He bowed politely. He listened to their stories. 

He met an elderly man named Arthur whose mutation caused his bones to continuously grow and protrude painfully through his skin. Arthur had lost his job as an accountant when his mutation manifested at age fifty. Izuku spent ten minutes just listening to Arthur talk about his estranged grandchildren. 

"You're a good kid," Jubilee nudged Izuku’s shoulder with her elbow as they served. She was handing out bread rolls. "You don't look at them with that... pitying look. A lot of the new kids from the mansion do that. They act like they're slumming it."

Izuku paused, holding a ladle mid-air. He looked at a young girl with six eyes who was shyly taking a bowl of stew. "I don't pity them, Jubilee. I admire them. They wake up every day in a world that tells them they're wrong, and they just keep living. That takes as much bravery as fighting a Sentinel."

Jubilee blinked behind her pink sunglasses, a genuine, soft smile crossing her face. "You're a total dork, Izuku. But you're alright."

By noon, the center was packed. The atmosphere was light, filled with the hum of conversation and the clatter of silverware. Storm was in the corner, using gentle micro-currents of wind to entertain a group of toddlers. 

Izuku was wiping down an empty table when his heightened senses—a byproduct of the Blacklight virus's constant environmental scanning—picked up a shift in the air. 

It wasn't a sound. It was a smell. 

The smell of ozone. The smell of burning sulfur. And the sharp, metallic tang of cordite. 

Izuku stood up straight, the rag slipping from his hand. He looked toward the front entrance of the warehouse. The heavy steel doors were closed. 

Threat detected, the chilling, mechanical whisper of his mutation echoed in the back of his mind. Multiple hostiles approaching. Lethal intent.

"Storm!" Izuku yelled, his voice cutting through the chatter of the room. He pointed at the door. "Something's coming!"

Ororo’s head snapped toward Izuku, her eyes instantly flashing stark white. She trusted the boy's instincts. "Get down! Everyone, to the back of the hall!"

BOOM!

The front of the building exploded inward. 

A concussive wave of fire and shattered brick tore through the entrance, sending heavy steel doors flying like shrapnel. Dust and smoke instantly filled the room. Screams of terror erupted from the civilians as they scrambled away from the blast zone, knocking over tables and chairs in their panic. 

Through the thick, swirling smoke, heavy boots crunched on the broken glass. 

Ten men stepped into the ruined entrance. They wore tactical military gear, heavily armored vests, and gas masks. They carried advanced, high-tech plasma rifles that glowed with a sickening purple light. They were human mercenaries, hired guns. 

But leading them was a monster. 

He stood nearly seven feet tall, built with the kind of absurd, bulging musculature that strained the limits of human anatomy. He wore a ragged, fur-lined coat over a yellow and brown suit. His fingernails were elongated into thick, black talons. His teeth were filed into sharp, carnivorous points, set in a face that was twisted into a perpetual, sadistic grin. 

Victor Creed. Sabretooth. 

"Well, well, well," Sabretooth purred, his voice a gravelly, terrifying rumble that vibrated in Izuku’s chest. He took a deep breath, his nostrils flaring as he savored the scent of fear in the room. "Look at all this prime meat. And even a few X-Men to spice up the menu."

"Brotherhood," Storm hissed. She rose into the air, the wind instantly picking up inside the warehouse, swirling the smoke away. Lightning crackled across her fingertips. "You dare attack a sanctuary, Creed?"

"Magneto sends his regards, weather witch," Sabretooth laughed, flexing his massive claws. "He thinks this place is pathetic. Mutants begging for human scraps? It's an insult to our superior genetics. The boss wants a message sent. Mutant Town burns today."

Sabretooth pointed a claw at the X-Men. "Kill the adults. Maim the kids. Leave the weaklings to burn."

The mercenaries raised their rifles and opened fire. 

The room erupted into chaos. Violet streaks of plasma seared through the air, completely vaporizing anything they touched. 

"Hank, protect the civilians!" Storm commanded, her voice booming with thunder. She threw her hands forward. A localized hurricane blasted from her palms, slamming into five of the mercenaries, picking them up like ragdolls, and throwing them out the broken entrance into the street. 

Beast roared, shedding his trench coat and bounding across the room with terrifying agility. He leaped off a structural pillar, diving into the remaining mercenaries. He didn't use lethal force, but his massive fists easily shattered their armor and knocked them unconscious. 

Izuku’s heart was hammering a frantic rhythm against his ribs. Move, he told himself. Do what Logan taught you. Analyze the battlefield.

He looked around. Storm and Beast were engaging the mercenaries at the front. But Sabretooth was missing. 

Izuku’s enhanced eyes scanned the smoke. He saw a blur of brown and yellow moving along the right flank, bypassing the senior X-Men entirely. Sabretooth wasn't interested in fighting Storm. He was heading straight for the cluster of terrified mutant children huddled near the kitchen doors. 

Jubilee was standing in front of them, her hands raised, plasma sparks popping furiously from her fingers. 

"Stay back, hairball!" Jubilee yelled, her voice trembling but defiant. 

Sabretooth emerged from the smoke, stalking toward her. He didn't look like a man walking; he looked like a tiger cornering a wounded gazelle. 

"Ooh, a sparkler," Sabretooth chuckled darkly. "I'm gonna enjoy snapping your neck, little girl."

Jubilee thrust her hands forward, unleashing a massive barrage of concussive plasma blasts. BAM! BAM! BAM! The fireworks hit Sabretooth squarely in the chest, exploding with enough force to dent steel. 

The blasts tore through Creed's coat and charred the flesh of his chest. But Sabretooth didn't even flinch. He just laughed. Before Jubilee's eyes, the blackened, burned flesh of his chest instantly peeled away, revealing fresh, perfectly healed skin underneath. 

"Tickles," Sabretooth grinned. 

He lunged. He moved with a speed that defied his massive bulk. 

Jubilee barely had time to widen her eyes. Sabretooth backhanded her with his massive paw. The blow caught her in the shoulder. Her collarbone snapped with a sickening crack, and three deep, bloody gashes opened across her upper arm as the claws tore through her jacket. 

Jubilee screamed in agony, flying backward and crashing into the metal kitchen doors, slumping to the floor, stunned and bleeding heavily. 

Sabretooth stood over the remaining, crying children, raising both hands, ready to dive into the slaughter. 

No! Izuku’s mind screamed. 

Izuku didn't think. He didn't hesitate. He tapped into the boundless, terrifying kinetic energy stored within his viral cells. 

The concrete floor beneath Izuku’s sneakers shattered like glass as he launched himself across the room. He crossed sixty feet in less than a second, a blur of green and black. 

Just as Sabretooth brought his claws down toward a screaming little boy, Izuku collided with the feral mutant’s ribs like a runaway freight train. 

CRUNCH.

Izuku drove his shoulder directly into Sabretooth's side. The impact was devastating. Four of Creed's ribs instantly shattered inward. The seven-foot-tall mutant was lifted completely off his feet, launched sideways through the air, and smashed violently into a brick supporting column, bringing a shower of dust and debris down on his head. 

Izuku landed gracefully in front of Jubilee and the children. He dropped into the low, grounded combat stance Logan had taught him. His fists were raised, his green eyes burning with a fierce, uncompromising determination. 

"Get Jubilee out of here!" Izuku yelled over his shoulder to the kids. "Run to the back alley!"

The older kids grabbed Jubilee, dragging the groaning, bleeding girl backward through the kitchen doors. 

From the pile of rubble, a low, rumbling chuckle echoed. 

Bricks shifted, falling to the floor as Sabretooth slowly stood up. He cracked his neck, the sound like popping bubble wrap. He pressed a hand to his side. Izuku could literally hear the grinding, wet sound of Creed's ribs snapping back into place and fusing together. 

Sabretooth looked at Izuku, his golden, animalistic eyes narrowing. He sniffed the air deeply. 

"Well now," Sabretooth rumbled, a sick smile spreading across his face. "What do we have here?"

He took a step toward Izuku. "You hit hard, runt. Really hard. But that's not what's interesting. I smell the runt on you. I smell Logan's stink all over your technique."

Sabretooth licked his lips, his eyes tracing Izuku’s form. "But beneath that... oh, sweet mother of mutants. What are you? You smell like a graveyard wrapped in raw, bleeding meat. You smell like a goddamn butcher shop."

Izuku didn't answer. He kept his breathing steady. Center of gravity. Watch the chest, not the hands.

"Not much of a talker, huh? That's fine. Screaming is a better sound anyway," Sabretooth roared, lunging forward with terrifying ferocity. 

Sabretooth swung a massive, sweeping right hook, his claws aimed to decapitate Izuku. 

Izuku ducked underneath the swing, the wind from the claws ruffling his green hair. He stepped inside Sabretooth's guard and drove a rapid succession of punches into Creed's abdomen, mimicking Logan's sparring routine. Tap, tap, tap, tap. But these weren't taps. Each punch carried three tons of kinetic force. 

Sabretooth coughed a glob of blood, but he didn't stop. He ignored the internal damage, relying entirely on his healing factor. He brought his knee up, burying it into Izuku’s stomach. 

Izuku gasped as the wind was knocked out of him, lifting him off his feet. Sabretooth grabbed Izuku by the throat, hoisting him into the air, and slammed him down onto one of the metal serving tables. 

The table buckled underneath them. Sabretooth raised his claws high above his head, ready to impale the boy. 

Defensive protocols engaged.

Izuku didn't fight the mutation this time. He commanded it. 

Armor! 

The skin on Izuku’s forearms instantly boiled black and red. The biomass surged, crystallizing into the thick, jagged, hyper-dense Hammerfists just as Sabretooth brought his claws down. 

Izuku brought his massive, craggy arms up, crossing them over his chest. 

CLANG!

Sabretooth's adamantium-laced claws struck the Blacklight biomass. Sparks flew, illuminating the smoke-filled room. The claws didn't penetrate; they bounced off the bio-armor, leaving only shallow, glowing scratches. 

Sabretooth's eyes widened in genuine shock. "What the hell...?"

Izuku didn't wait. Using the leverage of the table, he thrust both Hammerfists upward, catching Sabretooth squarely in the jaw. 

The uppercut was thunderous. Sabretooth's jaw unhinged with a sickening snap, and he was launched backward, crashing into the serving line and sending vats of hot stew flying everywhere. 

Izuku rolled off the broken table, landing on his feet. His forearms were still massive, jagged boulders of black rock and red energy. He was panting heavily, his heart racing. 

He heals too fast, Izuku analyzed rapidly. The Hammerfists rely on blunt force trauma. I'm breaking his bones, but his healing factor knits them back together instantly. He doesn't care about defense. It's a war of attrition, and he has decades of experience on me.

Sabretooth pulled himself out of the spilled food. His jaw hung loosely for a second before he reached up with both hands and brutally snapped it back into place. He spat out a mouthful of blood and teeth, laughing. 

"I don't know what kind of freak you are, kid, but I'm gonna love peeling you out of that shell!" Sabretooth roared, charging again. 

Izuku realized he couldn't fight Creed in close quarters. If those claws found soft tissue, Izuku would be forced to use his own biomass to regenerate, accelerating the viral hunger. He needed to keep the beast at a distance. He needed range. 

Shape it, Logan’s voice echoed in his memory. You are the samurai. Command the blade.

As Sabretooth closed the distance, Izuku willed the Hammerfists to dissolve. 

The jagged rock melted, shifting rapidly back into boiling, viscous liquid biomass. But Izuku didn't let it return to human skin. He pushed his right arm forward, visualizing a tether, a weapon of distance, a whip. 

The virus obeyed the command with terrifying enthusiasm. 

The flesh of Izuku’s right arm violently unspooled. It shot forward, elongating instantly into a thirty-foot-long, segmented, spine-like tendril. It was a grotesque, beautiful weapon—black, bio-metallic segments linked by glowing red muscle fibers, lined with razor-sharp serrations, and ending in a wicked, harpoon-like blade. 

The Whipfist. 

SHHH-CRACK!

Izuku snapped his wrist. The Whipfist broke the sound barrier. 

The bladed tip struck Sabretooth squarely in the chest, burying itself an inch into his sternum. Sabretooth grunted, his charge halted abruptly by the impact. 

Izuku didn't stop. With a fluid, spinning motion, he yanked his arm back. The Whipfist wrapped around Sabretooth's thick neck twice, the serrated edges biting deeply into the mutant's flesh, drawing streams of blood. 

"Agh!" Sabretooth clawed at the tendril, trying to pull it off, but the Blacklight biomass was as strong as steel cable. 

With a roar of exertion, Izuku planted his feet, twisted his hips, and pulled. 

He used Sabretooth's own momentum against him. The seven-foot-tall behemoth was ripped off his feet, swung in a massive, brutal arc, and slammed violently through a brick wall into the adjacent room. 

Izuku retracted the Whipfist. The tendril instantly snapped back, spooling rapidly around his forearm before melting back into normal skin. 

He stood there, breathless, adrenaline surging through his veins. He had done it. He had fought one of the most lethal mutants on the planet to a standstill, protected the kids, and he hadn't lost control. He was commanding the beast. He was being a hero. 

Across the room, Storm had neutralized the last of the mercenaries, encasing them in a vortex of gale-force winds. Beast was tying them up with twisted steel rebar. 

The fight was over. 

But Izuku's heightened senses betrayed him again. 

Danger. Lethal trajectory calculated. 

Izuku spun around. 

In the chaos of the fight, one of the Brotherhood mercenaries had managed to crawl away from Beast's attack. The man was bloodied, his mask torn off, revealing a desperate, frantic human face. He had propped himself up against a tipped-over table near the kitchen doors. 

And he was holding his purple plasma rifle. 

The mercenary’s hands were shaking, but his aim was dead steady. He wasn't aiming at Izuku. He wasn't aiming at Storm. 

He was aiming past the kitchen doors, straight down the hallway where Jubilee was leaning against the wall, clutching her bleeding shoulder, surrounded by the terrified, huddled children. 

"Die, mutie freaks," the mercenary snarled, his finger tightening on the trigger. 

Time dilated for Izuku. 

He saw the glowing purple coil of the rifle charge up. He calculated the distance. He was forty feet away from the mercenary. Jubilee was twenty feet behind the man. 

The Whipfist wasn't fast enough to disarm him. A Hammerfist shockwave would crush the mercenary, but the gun would still fire. 

There was only one variable left to manipulate. Himself. 

Izuku’s hero complex—the deeply ingrained, self-sacrificial instinct that had defined him long before the virus ever touched his DNA—took total control. 

He didn't think about his powers. He didn't think about surviving. He just moved. 

Izuku pushed every ounce of kinetic energy into his legs. He launched himself across the room, diving directly into the line of fire. 

PZOW! PZOW!

The plasma rifle discharged twice. 

The violet beams of superheated energy didn't hit Jubilee. They didn't hit the children. 

They hit Izuku Midoriya mid-air. 

The first blast struck his right shoulder, instantly vaporizing his collarbone and severing his arm at the joint. The second blast hit dead center of his chest. 

Plasma burns at a temperature hotter than the surface of the sun. It doesn't punch holes; it annihilates matter. 

The beam bored a hole the size of a grapefruit perfectly through Izuku’s sternum. It instantly vaporized his left lung, a portion of his spine, and completely incinerated his heart. 

Izuku’s body hit the floor with a wet, heavy thud. He slid across the linoleum, coming to a stop a few feet away from the mercenary. 

"Izuku!" Jubilee screamed, her voice tearing with absolute, unadulterated horror. 

Silence fell over the Outreach Center. The wind died down. Storm and Beast turned, freezing in terror at the sight. 

Izuku lay on his back. His right arm was gone. Through the massive, smoking hole in his chest, the ruined floor beneath him was visible. Blood wasn't just pooling; it was spraying in erratic, dying spurts from severed arteries. 

He was dead. By any biological, medical, or logical standard, Izuku Midoriya was catastrophically deceased. 

His vision was completely black. He felt no pain. Only a cold, sweeping numbness. 

I saved them, was the last, fleeting, human thought that drifted through his fading consciousness. I did it. I'm a hero. 

And then, Izuku Midoriya let go. 

But the Blacklight virus did not. 

In the darkest, microscopic depths of Izuku’s ruined cellular structure, the Apex Predator recognized catastrophic organ failure. The host was terminated. But the virus was still alive, and it possessed a singular, horrifying prime directive. 

SURVIVE.

To survive, it needed to repair the host matrix. To repair a missing heart, a missing lung, and a missing limb, it required an astronomical, immediate influx of raw, compatible genetic material. It required biomass. 

The human soul was no longer at the wheel. The beast was driving now. 

The mercenary stared down at the boy's ruined body, lowering his smoking rifle, a twisted smile of victory on his face. "One less freak."

He never even saw it coming. 

From the smoking crater of Izuku’s chest, from the severed stump of his shoulder, the blood suddenly stopped flowing. The red liquid violently thickened, turning pitch black. 

With the sound of tearing meat and snapping cables, a dozen massive, black-and-red tendrils erupted from Izuku’s corpse. 

"What the—" the mercenary gasped, stumbling backward. 

The tendrils didn't just reach out. They struck with the speed of a striking cobra and the force of a hydraulic press. 

Four tendrils slammed into the mercenary's chest, impaling him entirely, protruding out through his back. Two tendrils wrapped around his throat. Four more lashed around his arms and legs, pinning him mid-air. 

The man screamed. It was a sound of ultimate, mind-shattering agony. 

In front of the horrified eyes of Jubilee, Storm, Beast, and every civilian in the room, the true horror of the Prototype mutation revealed itself. 

The tendrils weren't just holding the man. They were digesting him. 

The Blacklight virus secreted a hyper-corrosive, molecular acid. Upon contact, the mercenary's clothing, armor, flesh, and bone began to instantly dissolve. He didn't melt like wax; he unspooled. His biological matter was aggressively broken down into raw, glowing red liquid biomass. 

"HELP ME! OH GOD, HELP—" the mercenary's scream was abruptly cut off as a tendril forced its way down his throat, dissolving his vocal cords and lungs from the inside out. 

The tendrils rapidly retracted, pulling the harvested biomass back into Izuku’s body. 

The mercenary didn't leave a corpse. He didn't leave a drop of blood. He was simply erased from existence, entirely absorbed into the boy on the floor. 

The influx of biological energy was catastrophic. 

Izuku’s body violently convulsed. The massive hole in his chest boiled with red and black energy. In a matter of seconds, bone knit together, a new heart rapidly formed and began to beat with a thunderous rhythm, and a new lung expanded. 

From the stump of his right shoulder, biomass surged outward in a geyser of black tendrils, rapidly weaving together to form muscle, bone, skin, and fingernails. 

In less than ten seconds, Izuku Midoriya was completely, flawlessly healed. His clothes were ruined, but his body didn't have a single scratch on it. 

He slowly pushed himself up off the floor. 

He stood up, his head hanging low. 

"Izuku...?" Jubilee whispered from down the hall, tears streaming down her face, her voice trembling with sheer terror at what she had just witnessed. 

Izuku didn't answer. He couldn't. 

Inside his mind, a nuclear bomb of data had just detonated. 

When the Blacklight virus consumes a human, it doesn't just harvest their meat. It harvests their neural pathways. It harvests their brain. 

Izuku was no longer alone in his head. 

My name is Carter, a voice screamed in his mind. 

Izuku clutched his head with both hands, a localized migraine so severe it felt like his skull was splitting open. 

I grew up in Albany. My dad beat me. I hate mutants. They think they're better than us. 

Images flashed before Izuku’s eyes, overwriting his own vision. He saw a birthday cake with seven candles. He saw a woman named Sarah kissing him in a rainstorm. He felt the cold steel of the plasma rifle in his hands. He felt the hatred. He felt the greed of taking Magneto's money. 

My bank pin is 4492. I have a dog named Buster. Oh god, it hurts! It hurts! The black things are eating me! 

Izuku fell to his knees. The memories weren't just playing like a movie; they were being violently integrated into his own consciousness. Carter's fear, Carter's hatred, Carter's entire life was being forcefully stitched into Izuku’s soul. 

"GET OUT!" Izuku screamed aloud. His voice sounded distorted, layered with a secondary, deeper, terrified echo. "GET OUT OF MY HEAD!"

He tore at his own hair. His eyes were wide open, glowing a blinding, chaotic crimson. His body began to involuntarily shift. His left arm turned into a Claw, his right leg armored up, his face bubbled as the virus tried to mimic Carter's features before Izuku's frantic subconscious fought it back. 

He was suffering a complete, biological and psychological breakdown. 

From the hole in the brick wall, Sabretooth stepped back into the room. He was covered in dust, but fully healed. He surveyed the scene. He saw the missing mercenary. He saw the kid writhing on the floor, shifting forms rapidly, screaming in two voices. 

Victor Creed’s golden eyes widened. A slow, deeply disturbed, yet wildly amused grin spread across his face. 

Even a feral monster like Sabretooth knew when he was looking at something further down the food chain than himself. 

"Oh, man. That is beautiful," Sabretooth laughed, a dark, barking sound. He looked at Storm and Beast, who were paralyzed by shock, torn between helping Izuku and defending against Creed. 

"You X-Men are soft," Sabretooth sneered, pointing a massive claw at the agonizing boy on the floor. "You play dress-up and pretend to be heroes. But that kid? He ain't one of you. He's a predator. He's one of us."

Sabretooth turned, leaping backward through the hole in the wall, disappearing into the alleyways of District X, his laughter echoing into the distance. "I'll see you around, kid! Save some meat for me!"

Izuku didn't hear him. He was completely lost in the maelstrom of the consumed mind. 

He remembered being Quirkless. He remembered being Izuku. But he also remembered being Carter. He remembered hating the boy on the floor. He remembered dying. 

"Izuku!" Storm finally broke from her shock, running forward and dropping to her knees beside him. She reached out, placing her hands on his violently shifting shoulders. "Izuku, listen to my voice! Come back to us!"

Izuku looked up at her. His face was halfway between his own and the rugged, bearded face of the mercenary he had just eaten. His eyes were bleeding crimson light. 

"I... I ate him," Izuku choked out, his voice a horrifying amalgamation of two distinct tones. Tears of pure, unadulterated trauma streamed down his shifting face. "I ate his life, Ororo. He's in me. He's in me!"

Izuku threw his head back, letting out a scream that shook the very foundations of the Outreach Center—a scream that belonged to a hero whose soul had just been stained with an unforgivable, monstrous sin.