What If Deku Had a Gravity Quirk Far Superior to Uraraka's Zero Gravity

Gravity is, by its very nature, a paradox. 

It is the weakest of the four fundamental forces of the universe, dwarfed by electromagnetism and the strong and weak nuclear forces. A simple child’s refrigerator magnet can defy the gravitational pull of the entire planet Earth. Yet, despite its apparent mathematical weakness, gravity is the undisputed architect of the cosmos. It is the invisible hand that molds stardust into suns, binds rogue planets into neat, sweeping orbits, and tears galaxies apart. It is a force of inevitability. It cannot be bargained with. It cannot be reasoned with. 

Izuku Midoriya learned this when he was four years old.

The memory was etched into the deepest, most permanent ridges of his brain, preserved with the absolute clarity of childhood trauma. It was a sterile Tuesday afternoon. The air in Dr. Tsubasa’s office had smelled distinctly of rubbing alcohol, stale coffee, and the faint, dusty scent of the medical files lining the walls. Izuku had been sitting on the crinkling paper of the examination table, kicking his short legs in impatience. His mother, Inko, sat in the chair beside him, wringing her hands with a nervous, yet hopeful energy.

Izuku wanted a Quirk. He wanted it with an intensity that made his small chest ache. Katsuki had already manifested his explosions, popping sweet, smoky sparks from his palms, and the other kids at preschool were already stretching their limbs, lifting blocks with their minds, or growing small patches of scales. Izuku had spent every night staring at the ceiling, waiting to breathe fire like his father, or to pull his All Might action figures toward him like his mother.

Dr. Tsubasa, a bald man with a bushy mustache and round goggles, sighed as he pinned a black-and-white X-ray film to the light board. 

"Well, Mrs. Midoriya, I have the results of the toe-joint test," the doctor said, his voice carrying a clinical detachment. "As you know, the presence of two joints in the pinky toe is the primary evolutionary indicator of a Quirkless individual. Izuku here..."

The doctor paused, adjusting his goggles. 

Four-year-old Izuku’s breath hitched. He gripped the edge of the examination table, his knuckles turning white. Please, he thought. Please, let me be a hero.

"...has only one joint," Dr. Tsubasa finished, tapping the illuminated film. "He is definitely going to develop a Quirk. In fact, given his age, it should be manifesting any day now. It’s entirely possible it’s a mental or environmental activator that simply hasn't been triggered yet."

Inko exhaled a breath she seemed to have been holding for five years. "Oh, thank goodness. Did you hear that, Izuku?"

But Izuku wasn't just relieved. A sudden, overwhelming surge of euphoria, impatience, and raw, unfiltered adrenaline flooded his tiny system. He didn't want it any day now. He wanted it now. He squeezed his eyes shut, clenching his fists, trying to force something—anything—to happen. He tried to breathe fire. Nothing. He reached a chubby hand out toward his All Might toy sitting on the doctor's desk. Pull, he commanded his brain. Pull it to me.

He didn't pull the toy. He pulled the entire room.

It happened in a fraction of a millisecond. The air pressure in the small clinic plummeted. A deep, sub-bass thrum—a sound more felt in the teeth than heard by the ears—resonated through the linoleum floor. 

Suddenly, the ambient gravity in a ten-meter radius around Izuku Midoriya multiplied by five. 

Dr. Tsubasa hit the floor as if he had been struck by a falling safe. The doctor's nose smashed into the linoleum with a sickening crunch, his breath driven from his lungs in a single, violent gasp. Inko Midoriya shrieked, but the sound was abruptly cut off as the immense, invisible pressure forced her deep into her plastic chair, the metal legs groaning and buckling outward under the sudden addition of four hundred pounds of effective weight.

The heavy wooden desk splintered down the middle. The filing cabinets buckled, drawers bursting open as paper clips, pens, and clipboards became lethal projectiles of weight, slamming into the ground. The glass window overlooking the street shattered outward, unable to withstand the spatial distortion. 

"Mom!" Izuku screamed, opening his eyes. 

The moment his concentration broke, the pressure vanished. Gravity snapped back to a comfortable, standard 1 G. Dr. Tsubasa groaned on the floor, clutching his bleeding face. Inko sat paralyzed in her warped, crushed chair, staring at her son with wide, terrified eyes. 

Izuku looked down at his trembling hands. The air around his fingers seemed to shimmer, like heat rising from fresh asphalt on a summer day. He hadn't pulled the toy. He had pulled the world.

Ten Years Later

"Midoriya. You're spacing out again."

The sharp voice of the homeroom teacher cut through the dull hum of the Aldera Junior High classroom. Izuku blinked, pulling his gaze away from the window where he had been watching a flock of pigeons effortlessly navigate the thermals. 

"Apologies, sensei," Izuku said, his voice calm and even. He adjusted his posture, sitting up straight. 

"Since you're so confident in your divided attention, perhaps you can tell us the primary application of the conservation of angular momentum as it pertains to localized spatial distortions?" the teacher asked, a smirk playing on his lips. 

Izuku didn't hesitate. "In a closed system, angular momentum remains constant. If a localized gravity well is generated, the mass drawn toward the center of the well will increase in rotational velocity as its radius decreases. It's the same principle as a figure skater pulling their arms in to spin faster, or the accretion disk of a black hole heating up due to frictional forces as matter falls inward."

The teacher blinked, his smirk vanishing. "Uh. Yes. Correct."

A few desks away, a sharp, explosive click echoed in the quiet room. Katsuki Bakugo sat with his boots kicked up on his desk, small sparks of nitroglycerin popping aggressively off his fingertips. His crimson eyes were locked onto the back of Izuku’s head, burning with a familiar, competitive fury. 

Izuku didn't flinch at the sound of the explosions. He merely reached up with a pencil and scratched the back of his neck, returning to his notebook. 

His notebook wasn't filled with mere sketches of heroes and their flashy costumes. Oh, he still respected the heroes, admired them even. But the cover of his current, battered journal read: Hero Analysis for the Future Vol. 13: Applied Vector Dynamics & G-Force Conditioning. 

In this world, Izuku Midoriya was not Quirkless. He was the owner of a Quirk registered in the national database as 'Graviton'. 

Over the past ten years, Izuku had learned that his Quirk was not a simple tool; it was a weapon of mass destruction governed by the strict, unforgiving laws of physics. He didn't just make things float like some low-level telekinetic. He manipulated the gravitational vectors and the intensity of the gravitational field within a spherical radius of exactly fifty meters. He could increase gravity to crush steel, decrease it to achieve flight, and shift the directional pull so that a vertical brick wall became his personal floor.

But absolute power demanded an absolute toll. 

If Katsuki Bakugo's explosions caused muscle cramps and joint pain from recoil, Izuku's Quirk actively tried to kill him from the inside out. 

Gravity manipulation required immense, unfathomable cerebral calculation. Izuku had to constantly, subconsciously calculate the mass of the objects around him, the distance, the necessary vector shifts, and the counter-forces. If he increased the gravity on a target to 10 Gs, the kinetic blowback on his own nervous system was tremendous. Extreme overuse resulted in burst blood vessels, horrifying migraines that felt like a white-hot spike being driven through his frontal lobe, temporary blindness, and crippling vertigo. 

To survive his own Quirk, Izuku had spent the last decade turning his body into an iron fortress. Under his standard junior high uniform, his physique was dense and packed with corded muscle. He ran ten miles a day wearing a lead-lined vest. He practiced holding his breath to manage sudden drops in oxygen pressure. He studied astrophysics, calculus, and anatomy with obsessive, frightening dedication. 

The bell rang, signaling the end of the day. 

Before Izuku could even slide his notebook into his yellow backpack, a hand slammed down on his desk. The wood scorched, a wisp of foul-smelling smoke curling into the air. 

"You think you're pretty smart, don't you, Deku?" Bakugo growled, leaning over the desk. 

In this world, the nickname 'Deku' didn't mean 'useless wooden doll'. Bakugo had given him the name when they were toddlers, before the Quirks had come in, back when Izuku couldn't read the kanji of his own name. But as the years passed and Izuku's terrifying power bloomed, the nickname had taken on a new context. To Katsuki, 'Deku' meant the immovable object. The wooden doll that refused to break, no matter how many explosions were thrown at it. 

Izuku looked up, his green eyes meeting Katsuki's furious red ones. There was no fear in Izuku's gaze. Only a calm, analyzing stillness. 

"I think I understand physics, Kacchan," Izuku replied smoothly, standing up and slinging his backpack over one shoulder. "It’s a requirement for my survival."

"You're applying to U.A. High," Bakugo stated, though it sounded more like an accusation. 

"I am."

"I'm going to crush you in the exams," Bakugo sneered, his palms smoking. "I'm the only one from this crappy middle school making it to the top. Your invisible parlor tricks won't mean a damn thing when I blow you into orbit."

Izuku sighed, stepping past Bakugo toward the door. "If you want to blow me into orbit, Kacchan, you'll need to generate an escape velocity of approximately 11.2 kilometers per second. Given the current stoichiometric limits of your nitroglycerin sweat, you'd blow your own arms off before you achieved half that speed."

Bakugo whirled around, a roar tearing from his throat as he lunged forward, his right hand crackling with a massive explosion aimed right at Izuku's back. 

Izuku didn't even turn around. 

Without breaking his stride, Izuku blinked, and the air behind him warped. 

Vector Shift: Downward. Intensity: 3 Gs. Radius: 2 meters.

Bakugo hit the localized gravity well and slammed into the classroom floor as if a massive, invisible hand had swatted him out of the air. The explosion went off prematurely, scorching the linoleum. Bakugo grunted, his face pressed into the ground, his muscles bulging as he tried to push himself up against three times his own body weight. 

"Dammit... Deku!" Bakugo ground out through clenched teeth, his arms shaking from the exertion. 

"Save it for the exams, Kacchan," Izuku called back over his shoulder, releasing the gravity well as he walked out the door. "I'll see you at U.A."

Ten Months Later: The Morning of the Entrance Exam

The towering, H-shaped gates of U.A. High School loomed against the crisp morning sky like the entrance to a modern Olympus. Cherry blossom petals drifted lazily on the breeze, completely unaware of the tense, palpable anxiety radiating from the thousands of teenagers swarming the entrance.

Izuku Midoriya stood at the bottom of the long brick walkway, taking a deep breath. 

He closed his eyes, centering himself. He could feel it. The subtle, constant pull of the Earth. He could feel the mass of the building ahead, the density of the concrete beneath his red boots, the atmospheric pressure pressing against his skin. His Quirk was like an extra sense, a sixth sense that constantly fed him data about the gravitational architecture of the world. 

He was ready. For the last ten months, he had refined his control at Dagobah Municipal Beach. He hadn't just cleaned the beach by hauling trash to the dump. He had practiced his Gravimetric Crush, isolating piles of abandoned refrigerators, cars, and washing machines, and crushing them into perfect, ultra-dense spheres of metal, each the size of a bowling ball. He had compressed tons of garbage into neat, stacked rows of cubes, mastering the fine-tuning of his spherical fields. 

Today, Izuku thought, his eyes snapping open. Today, I take the first step.

He began the walk up the path. He was so focused on calculating the optimal gravitational vectors for combat movement that he almost didn't notice the girl beside him. 

She had a round face, permanent blushes on her cheeks, and a bob of brown hair. She was walking briskly, looking up at the U.A. building in absolute awe. 

"Wow," she breathed, entirely missing the raised lip of a cracked paving stone. 

Her foot caught. She pitched forward, a startled yelp escaping her lips as gravity rushed to claim her, pulling her face-first toward the unforgiving brick path. 

Izuku’s reaction was entirely instinctual. 

He didn't dive to catch her. He didn't even extend his arms. His mind simply snapped to the space around her. 

Vector: Null. Radius: 1 meter. Target: The girl.

The girl stopped dead in mid-air, suspended just two inches above the bricks. Her hair floated around her head as if she were underwater. She blinked, waving her arms in confusion, completely weightless. 

Izuku calmly stepped forward and, with a subtle shift in his mental calculations, gently returned her gravity to 1 G, righting her so she landed softly on her feet. 

"Woah!" the girl gasped, patting her clothes and looking around wildly. She locked eyes with Izuku. "Did... did you do that?"

Izuku offered a small, polite smile. "I did. Sorry for using my Quirk on you without asking, but it looked like you were going to have a rough landing. The entrance exam is stressful enough without a broken nose."

The girl's eyes widened, sparkling with genuine awe. "That was amazing! I didn't even feel you touch me! My Quirk is Zero Gravity, but I have to touch things with my fingertips to make them float. You just did it from a distance! That's so cool!"

Izuku’s analytical mind immediately fired up. "Wait, your Quirk is tactile gravity negation? That's incredible. It entirely bypasses the inverse-square law of gravitational distance. By utilizing a five-point touch system, you must alter the molecular mass of the object itself rather than shifting the external gravitational field, which means your energy expenditure is likely much lower than mine, allowing for vastly superior endurance in rescue scenarios—"

He stopped, realizing he was muttering at a rapid-fire pace, a habit he had never quite managed to break. 

The girl stared at him, bewildered, before bursting into a bright, musical laugh. "I don't know about all that inverse-law stuff, but yeah! It makes me super nauseous if I use it too much, though. I'm Ochaco Uraraka!"

"Izuku Midoriya," he replied, nodding respectfully. 

"Well, Midoriya, thanks for the save! Let's both do our best today!" She threw him a cheerful thumbs-up before jogging off toward the auditorium. 

Izuku watched her go, a genuine smile gracing his features. Tactile gravity negation. A fascinating counterpoint to my localized field generation. I wonder if our Quirks would cancel each other out, or stack multiplicatively? 

Shaking his head to clear the math from his brain, Izuku continued into the building. 

The Orientation

The auditorium was massive, packed with thousands of hopefuls. Izuku sat quietly in his seat, absorbing the loud, energetic presentation by the Voice Hero: Present Mic. 

The rules were simple enough. A ten-minute urban warfare simulation. Destroy the robots. One-Pointers, Two-Pointers, and Three-Pointers. Gather points to pass. 

"Excuse me!" 

A tall, broad-shouldered boy with glasses and neatly combed blue hair stood up abruptly, pointing a stiff, robotic arm at the podium. "On the printout, there are four types of villains! If this is a misprint, then U.A., the most prominent school in Japan, should be ashamed of that foolish mistake!"

The boy then turned, his intense gaze sweeping the crowd before locking directly onto Izuku, who was sitting a few rows behind him. "And you! The one with the curly green hair!"

Izuku raised an eyebrow. 

"You have been tapping your pen in a rhythmic, distracting manner for the last five minutes! If you are here on a pleasure trip, I suggest you leave immediately!"

The auditorium went dead silent. Everyone stared at Izuku. Bakugo, sitting three rows down, scoffed loudly, highly amused that someone else was picking a fight with Deku. 

Izuku didn't flush with embarrassment. He didn't stutter. He simply looked at the pen in his hand, then looked back at the boy with glasses. 

"My apologies," Izuku said, his voice carrying easily across the quiet room. "I was tapping the pen in time with Present Mic's vocal cadence to estimate his lung capacity and vocal cord stamina. It’s a habit. I will stop." 

He paused, then added, "However, if you had waited for the hero to finish his presentation, he likely would have explained the fourth robot. Interrupting a pro hero during a briefing is terribly inefficient, wouldn't you agree?"

A low murmur rippled through the crowd. The boy with glasses stiffened, his face flushing with embarrassment. He bowed sharply at a strict ninety-degree angle. "I... you are correct! I apologize for my outburst!" 

Present Mic chuckled from the stage. "Right on, listener! The green-haired kid is correct! The fourth villain is worth zero points! It's an arena trap! If I were you, I'd avoid it!"

Izuku leaned back in his seat, his mind already mapping out a battle strategy. Three types of point-yielding targets. A massive urban environment. Ten minutes. 

It’s just physics, Izuku told himself. Mass, velocity, and gravity.

The Practical Exam: Battle Center B

The gates of Battle Center B were titanic, towering fifty feet into the air. Dozens of examinees stretched and bounced on their toes, their nerves visibly fraying. Izuku stood at the front of the pack, perfectly still. He wore a simple green tracksuit, his muscles loose and ready. 

He spotted Uraraka a few yards away, taking deep breaths and slapping her cheeks to psych herself up. The boy with glasses—Iida, Izuku had overheard someone call him—was busy doing rigid lunges. 

"RIGHT, LET'S START!" Present Mic's voice suddenly boomed from the watchtower. "What's wrong? There are no countdowns in real battles! RUN, RUN, RUN!"

While the other students hesitated, momentarily confused by the sudden start, Izuku was already gone. 

He didn't run. Running was an inefficient use of kinetic energy when you controlled gravity. 

Vector: Up-Forward at 45 degrees. Intensity: 0.2 Gs.

Izuku took a single bounding step. Because he had essentially reduced his own weight to a fraction of its normal mass, that single step launched him forty feet into the air, clearing the enormous heads of the other examinees. He sailed over the open gates and into the fake city, soaring like an artillery shell.

Beneath him, he spotted his first target. A Two-Pointer, its red optical sensor glowing as it locked onto his airborne form. The robot raised its twin cannons, tracking his trajectory.

You can't track what doesn't follow the laws of ballistics, Izuku thought. 

Directly over the robot, Izuku shifted his Quirk. 

Vector: Straight down. Mass Multiplier on self: 5 Gs.

Izuku plummeted from the sky with the speed and force of a falling meteor. He brought his right heel down just as he connected with the center of the Two-Pointer’s chassis. 

CRASH!

The impact was deafening. The sheer kinetic force of Izuku's artificially heavy, five-G drop kick shattered the robot’s armor instantly. The metal chassis crumpled inward, wires snapping and oil spraying as the machine was flattened against the pavement, completely obliterated. 

Izuku instantly returned his gravity to 1 G, rolling gracefully off the destroyed machine and landing on his feet. 

"Two points," he muttered, his eyes scanning the streets. 

In the monitoring room deep within U.A., a panel of pro heroes watched the screens in silence. 

"Whoa," the R-Rated Hero, Midnight, whispered, leaning closer to the monitor tracking Battle Center B. "Did you see the telemetry on that impact? That kid dropped with the force of a wrecking ball, but his muscular structure showed zero signs of recoil damage."

"He manipulated his personal gravitational constant," a tired, gruff voice muttered from the shadows. Shota Aizawa, Eraserhead, stared at the screen, his dark eyes analyzing Midoriya's every move. "He made himself incredibly heavy to maximize the kinetic strike, then normalized it upon impact to save his own joints. Smart. And terrifyingly precise."

"He's not just a brawler, either," Principal Nezu noted, sipping a cup of tea. "Watch."

Back in the fake city, Izuku rounded a corner and found himself facing a barricade of four Three-Pointers. They were massive, heavily armored tread-based machines equipped with missile pods. 

"Target acquired," the machines chimed in unison, aiming their weapons at him. 

The other students were finally rushing into the street behind Izuku. Iida blasted past on his engine legs, shouting, "Do not hog all the targets!" 

Izuku didn't move. He planted his feet shoulder-width apart, holding his hands out in front of him, his palms facing the approaching robots. A sharp, piercing pressure began to build behind his eyes—the familiar onset of the Quirk migraine. He ignored it. 

Gravimetric Crush.

He visualized a sphere, precisely ten meters in diameter, encompassing the four Three-Pointers. He clamped down on the gravitational vectors within that sphere, raising the internal gravity from 1 G to a staggering 15 Gs, pulling simultaneously inward toward a central singularity. 

The air itself shrieked. 

The other students stopped dead in their tracks, staring in sheer horror and awe. 

The concrete street beneath the robots exploded downward, instantly vaporized into fine dust by the crushing pressure. The four Three-Pointers didn't even have time to fire. The immense, localized gravity well seized them. Thick, reinforced steel plating began to groan, warp, and fold inward. The machines were violently dragged toward the center of the invisible sphere, violently smashing into each other. 

With a sickening screech of tearing metal, the four massive robots were compacted, crushed, and folded into a single, ultra-dense sphere of scrap metal no larger than a washing machine. 

Izuku dropped his hands, releasing the field. The sphere of crushed metal dropped into the massive crater it had created, smoking and sparking. 

"Fourteen points," Izuku calculated aloud, wiping a small trickle of blood that had leaked from his left nostril. 

Iida stood frozen, his jaw completely slack. Uraraka, who had just floated a One-Pointer into a wall, stared at Izuku with wide, terrified eyes. He didn't even touch them, she realized. 

"Keep moving!" Izuku yelled to the paralyzed examinees, his voice snapping them out of their trance. "There are only seven minutes left!"

For the next six minutes, Battle Center B belonged to Izuku Midoriya. 

He moved through the city like a localized natural disaster. He didn't punch. He didn't kick. He used the environment and the fundamental forces of the universe. He ripped streetlamps out of the ground by reversing gravity beneath them, launching them like javelins through the optics of Two-Pointers. He created frictionless tunnels of air to slide rapidly across the pavement, outmaneuvering swarms of One-Pointers before dropping 5-G fields on their heads, flattening them into metal pancakes. 

"Forty-five... fifty-three... sixty-two points," Izuku muttered, his breathing growing heavy. 

The toll was mounting. The blood vessel in his left eye had popped, painting the sclera a violent shade of red. His head throbbed in time with his racing heartbeat, a rhythmic, agonizing pounding that threatened to induce vertigo. I have enough points to pass, he reasoned with himself. I should dial it back. Conserve my cerebral stamina.

A massive tremor shook the earth. 

Izuku stumbled, catching himself against a brick wall. The ground heaved again, violently enough to shatter the windows of the surrounding fake buildings. 

From the center of the city, a shadow blotted out the artificial sun. 

"What... what is that?!" someone screamed. 

Izuku looked up, wiping a fresh trail of blood from his nose. His breath caught in his throat. 

The Zero-Pointer. 

It wasn't a robot. It was a skyscraper on treads. It towered over the buildings, easily standing a hundred and fifty feet tall. Its massive olive-green chassis blotted out the sky, and its singular, glowing red eye was the size of a city bus. With a deafening roar, the machine swung a colossal arm, obliterating a five-story building with a single, casual strike. 

Debris rained down like artillery fire. 

"Run!" Iida yelled, sprinting past Izuku. "It's the arena trap! There's no point in fighting it!"

The examinees panicked, turning and fleeing in absolute terror. The sheer scale of the machine was psychologically breaking them. 

Izuku took a step back, ready to follow them. His migraine was screaming at him to retreat. He had the points. There was no logical reason to engage a target of that mass. 

"Ow... it hurts..."

The faint, pained cry cut through the roaring engines of the behemoth. 

Izuku froze. His head snapped toward the sound. 

About fifty meters away, directly in the path of the Zero-Pointer's crushing treads, was Uraraka. A massive slab of concrete from the destroyed building had fallen on her leg, pinning her to the ground. She was struggling frantically, her hands pressed against the rubble, trying to use her Quirk to float it. But she had clearly passed her limit; she was dry-heaving, her fingers slipping against the rough stone. 

The Zero-Pointer rolled forward. Ten seconds until she was crushed. 

Izuku didn't think. The analytical, calculating part of his brain—the part that warned him about burst blood vessels and cerebral hemorrhages—was instantly silenced. Replaced entirely by a singular, burning instinct. 

Save her.

Izuku sprinted forward. 

Vector: Forward. Friction: Zero. 

He glided across the asphalt at horrifying speed, closing the distance in three seconds. He didn't stop at Uraraka. He ran straight past her, planting himself directly between the fallen girl and the towering mechanical titan. 

"Midoriya!" Uraraka screamed, tears streaming down her face. "Run! You can't—!"

Izuku ignored her. He looked up at the towering machine. 

His mind went into hyper-drive, calculating the numbers with a frantic, desperate speed. 

Height: Approx 45 meters. Composition: Heavy steel plating, dense internal machinery. Estimated Mass: 4,000 to 5,000 tons.

He had never lifted anything close to 4,000 tons. The heaviest object he had ever successfully levitated was a dump truck, and that had left him with a blinding migraine for two days. To manipulate the gravitational field of an object this massive, he would have to stretch his Quirk to its absolute, breaking limit. 

If I mess this up, Izuku realized with crystal clarity, the kinetic backlash will liquify my brain.

The Zero-Pointer raised its titanic foot, preparing to crush them both into the pavement. 

Izuku slammed both of his hands directly onto the asphalt. He didn't target the robot. The robot was too complex, its mass too spread out. Instead, he targeted the space beneath the robot. 

He closed his bleeding eyes and screamed, pouring every ounce of his willpower, his stamina, and his soul into his Quirk. 

POLARITY REVERSAL! VECTOR: UP! INTENSITY: 10 Gs!

The world stopped. 

For a single, terrifying second, all sound vanished. The roaring engines of the Zero-Pointer, the screaming students, the crashing debris—it all went dead silent. 

Then, the laws of physics shattered. 

With a sound like the tearing of the earth's crust, the space beneath the Zero-Pointer fractured. A localized gravity well of unimaginable power inverted the natural pull of the planet. 

Four thousand tons of metal groaned. 

"W-What?" the hero Present Mic gasped in the monitor room, leaning so far forward he almost fell out of his chair. 

On the screen, the impossible was happening. The Zero-Pointer, the unstoppable juggernaut of the entrance exam, was lifting off the ground. 

"HRRRRAAAAAAAAGH!" Izuku roared, blood freely pouring from both of his nostrils, leaking from his eyes, and staining his teeth. The veins in his neck bulged, looking as though they were about to burst through his skin. 

He pushed. He pushed the gravity field higher. 

The Zero-Pointer was ripped into the air, its massive treads spinning uselessly in the sky. Ten feet. Twenty feet. Fifty feet. The colossal machine flailed, entirely helpless, floating like a child's balloon in the grip of a hurricane. 

The shockwave of the displaced air tore through the street, shattering the remaining windows and blasting dust into the sky. 

Izuku's vision was going black. The edges of the world were fraying. The pressure inside his skull was agonizing, like a bomb trying to detonate behind his eyes. He could feel his consciousness slipping. He couldn't hold it in the air forever. If he passed out, the robot would fall straight down and crush them anyway. 

Throw it, his brain commanded. Throw it away.

With a guttural, agonizing scream, Izuku wrenched his hands to the right. 

Vector Shift: Lateral. Ninety degrees!

In the sky, the inverted gravity well violently snapped sideways. The four-thousand-ton robot was suddenly subjected to a lateral gravitational pull. It was ripped out of the air, hurdling horizontally across the city block. 

It crashed three streets away. 

The impact was akin to a localized earthquake. A massive plume of smoke, dust, and fire erupted into the sky, towering over the fake city. The shockwave knocked Iida off his feet. Uraraka threw her arms over her head as debris rained down around them. 

Then, silence returned. 

Izuku remained on his hands and knees for a moment, his chest heaving, his breath rattling in his throat. He looked at his hands. They were violently trembling. His vision was a blurry, crimson-tinted haze. 

Slowly, painfully, he turned around. He looked at Uraraka. 

"Are... are you okay?" he slurred, his voice thick with exhaustion. 

Uraraka could only stare at him. Her mouth opened and closed, but no words came out. She looked from Izuku to the towering cloud of dust where the Zero-Pointer used to be, and back to the boy bleeding from his eyes. 

"I..." Izuku tried to stand up. "I should... help you with that rubble..."

His knees buckled. The world tilted violently on its axis, and Izuku Midoriya collapsed onto the asphalt, plunging into complete darkness. 

The Aftermath

"Time's up!" 

The buzzer echoed across the ruined city, signaling the end of the exam. 

In the monitor room, the silence was absolute. Not a single hero spoke. They were all staring at the screen displaying Battle Center B. 

Eraserhead uncrossed his arms, a rare, almost imperceptible smirk touching the corner of his mouth. "Rationality dictates that destroying the Zero-Pointer was a waste of energy. It yielded no points."

"Yes," a skeletal, blonde man standing in the back of the room muttered. Toshinori Yagi—All Might—clutched his side, his sunken blue eyes fixed intensely on the screen where the green-haired boy lay unconscious. "But heroism is rarely rational, Eraserhead. He sacrificed his own physical safety, risking severe Quirk recoil, to save a fellow examinee."

"His raw power output is staggering," Midnight whispered. "To lift four thousand tons... that's top ten Pro Hero territory. And he's only fifteen."

Principal Nezu tapped his paws together, his black eyes gleaming with immense satisfaction. "A diamond in the rough. He possesses the analytical mind to understand his power, and the heroic heart to use it for others. I believe we have our top scorer, ladies and gentlemen."

One Week Later

The envelope was thick, heavy, and stamped with the crimson wax seal of U.A. High School. 

Izuku sat at his desk in his bedroom, staring at it. He was still recovering. He had spent two days in the hospital for severe cerebral strain and burst ocular capillaries. Recovery Girl had healed the worst of the damage, warning him strictly that if he continued to lift skyscrapers, he would give himself a permanent aneurysm. 

His mother, Inko, paced nervously in the hallway outside his door, biting her thumbnails. 

Izuku took a deep breath, picked up a letter opener, and carefully sliced the envelope. He didn't pull out a letter. Instead, a small, metallic disk slid out, clattering onto his desk. 

The disk whirred to life. A holographic projection snapped into existence, illuminating Izuku's dark room with a blue glow. 

"I AM HERE AS A PROJECTION!" 

All Might's booming voice filled the room. The Number One Hero stood in his iconic yellow suit, pointing directly at the camera. 

"Young Midoriya! You did an excellent job on the written exam! Your scores were near perfect! But the practical exam... that is where you truly shined!"

The projection shifted, showing a scoreboard. 

"You scored a massive sixty-two villain points! An incredible feat! You destroyed targets with the precision and power of a seasoned veteran! But..." All Might paused, his tone growing serious. "A hero is not solely defined by the villains they defeat."

The screen shifted again, showing security footage from the exam. It was Izuku, stepping between Uraraka and the Zero-Pointer, bleeding from his eyes as he threw his hands against the ground to warp gravity itself. 

"You saw someone in need, and without hesitation, you put your life on the line. That action embodies the very essence of U.A. High! And so, we have a secondary panel of points. Rescue Points!"

The scoreboard reappeared. Next to Izuku's sixty-two villain points, a new number ticked up rapidly. 

"Sixty Rescue Points! Giving you a grand total of one hundred and twenty-two points! You are our first-place examinee, Young Midoriya!"

Izuku stared at the hologram. His breath caught in his throat. Tears welled in his eyes, but this time, he didn't float them away. He let them fall, hot and fast, down his cheeks. 

"Welcome, Izuku Midoriya," All Might said softly, offering a proud smile. "This is your Hero Academia."

The hologram flickered and died. 

Izuku sat in the silence of his room, the weight of the moment pressing down on him. It was a heavy burden, the expectation of being the best. The expectation of mastering a Quirk that could level cities. The knowledge that Katsuki Bakugo, who had scored second place with seventy-seven points, would be gunning for him with murderous intent. 

But as Izuku looked down at his scarred, calloused hands, he smiled. 

He was used to heavy things. After all, gravity was his domain. And he was ready to carry the weight of the world.

The alarm clock did not ring; it was crushed.

At exactly 5:00 AM, the digital clock on Izuku Midoriya’s nightstand let out its first piercing beep. Before the second beep could even formulate in the machine’s internal speaker, Izuku, still half-asleep and trapped in the hazy borderland between a dream and waking consciousness, reflexively lashed out with his Quirk. 

Vector: Down. Radius: Ten centimeters. Intensity: 8 Gs.

A localized gravity well, no larger than a grapefruit, snapped into existence directly over the plastic alarm clock. The sudden multiplication of gravitational force flattened the device with a sharp CRACK, shattering the digital display and warping the internal battery housing. The beeping died instantly, replaced by the faint sizzle of a broken circuit.

Izuku groaned, rolling over and peeling his eyes open. He stared at the mangled wreckage of plastic and wire on his nightstand. 

"That's the third one this month," he muttered, rubbing the sleep from his eyes. He sat up, the muscles in his back and shoulders popping in protest. 

To house a Quirk like Graviton was to live in a state of constant, exhausting physical resistance. Gravity was not a surface-level phenomenon; it interacted with every single cell, every drop of blood, every bone in the human body. When Izuku manipulated gravity, his own body had to withstand the kinetic blowback and the sudden shifts in spatial pressure. If his physical vessel was weak, a simple 5-G crush attack would snap his own femurs and pool the blood in his lower extremities, starving his brain of oxygen.

Because of this, his morning routine was brutal. 

He slid out of bed and strapped on a customized, lead-lined weighted vest. It added an extra eighty pounds to his frame. He didn't just wear it for exercise; he wore it to train his subconscious mind to constantly compensate for excess mass. After an hour of intense calisthenics, he moved on to his mental conditioning. 

Sitting cross-legged on his bedroom floor, Izuku closed his eyes and visualized the room. He felt the mass of his desk (approx. 45 kg), the density of his bookshelf (approx. 120 kg with books), and the atmospheric pressure of the air. He began to isolate microscopic pockets of gravity, lifting a single pencil, then a single coin, then a single thread from his carpet, trying to keep them suspended in perfect, frictionless vacuums without disturbing the air around them.

The mental math was agonizing. Distance, mass, gravitational constant, vector angle. It required a level of computational processing that naturally triggered a dull, throbbing ache at the base of his skull. 

Control, Izuku reminded himself, opening his eyes and letting the objects drop. Raw power without control is just a disaster waiting to happen.

Today was his first day at U.A. High School. The pinnacle of hero academia. He had placed first in the entrance exam, a fact that still sent a jolt of surreal electricity down his spine whenever he thought about it. But the euphoria was tempered by a cold, clinical reality: U.A. was not a playground. It was a crucible. And he knew, with absolute certainty, that Katsuki Bakugo would be there, simmering with a rage that had likely been boiling over for the last week. 

After a quick breakfast and a tearful, overly emotional goodbye from his mother—who insisted on straightening his red tie five times—Izuku stepped out into the crisp spring air. 

He didn't take the train. He walked. With every step, he slightly altered the gravity beneath his red boots, reducing his own weight by thirty percent. It made his strides longer, his steps lighter, conserving his physical stamina for whatever trials U.A. had prepared for him. 

The Halls of Olympus

Class 1-A. 

The door was gargantuan, easily standing ten feet tall to accommodate students with gigantification or mutation-type Quirks. Izuku stood before it, taking a deep, steadying breath. Behind this door were the elite. The top percentile of the nation's youth. 

He slid the massive door open. 

"Take your feet off that desk immediately!" 

The loud, robotic voice was instantly recognizable. Izuku watched as Tenya Iida, the tall, glasses-wearing boy from the auditorium, chopped his arms aggressively at Katsuki Bakugo. Bakugo, true to form, was slouched in his chair, his boots propped up on the polished wood of his desk, a look of profound boredom and hostility on his face. 

"Huh?" Bakugo sneered, small sparks popping off his cuticles. "Who the hell are you to tell me what to do, Four-Eyes?"

"I am Tenya Iida, from Somei Private Academy!" Iida declared, adjusting his glasses so they caught the fluorescent light. "And you are disrespecting the property of this great institution, not to mention the upperclassmen who sat at this desk before us!"

"Somei Academy?" Bakugo’s grin turned feral. "Oh, so you're a stuck-up elite, then? I'm gonna have fun blowing you to pieces."

"Blowing me to pieces?! Are you truly aiming to be a hero?!" Iida gasped, scandalized. 

Iida turned, looking for support, and his eyes locked onto Izuku standing in the doorway. Iida immediately froze, his posture straightening into a rigid line. He marched past Bakugo and marched straight up to Izuku.

"You!" Iida announced loudly, causing the rest of the scattered students to turn and look. "You perceived the true nature of the practical exam! You realized there was a rescue mechanic, while I ran blindly like a fool! I must admit, I misjudged you. You are clearly the superior candidate!"

Izuku held up his hands, waving them dismissively. "There's no need for that, Iida. I didn't 'perceive' a hidden mechanic. I just saw someone in danger and reacted. It was a calculated risk."

"Tch." Bakugo’s boots hit the floor. His crimson eyes bored into Izuku from across the room. "Calculated risk. Same old Deku. Always acting like you've got the whole universe figured out in that damn head of yours."

Izuku met Bakugo’s gaze evenly. "Hello, Kacchan. Good to see you made it."

Before Bakugo could ignite his palms, a bright, cheerful voice interrupted. 

"Oh! It's you! The gravity guy!" 

Izuku turned to see Ochaco Uraraka practically bouncing through the doorway. Her bobbed brown hair framed a wide, beaming smile. "I was hoping I'd see you! I never got to properly thank you for saving me from that giant robot! That was the most incredible thing I've ever seen! You just... whoosh! And then the robot went bam!" She threw her hands in the air, mimicking an explosion. 

Izuku felt a rare, genuine smile tug at the corners of his mouth. "It was nothing, Uraraka. I'm just glad you weren't seriously injured. Though, I must admit, lifting a mass of that density resulted in a severe spike in my intracranial pressure. I had a migraine for forty-eight hours."

Uraraka blinked, her smile faltering for a second as her brain tried to process the medical jargon. "Uh... yeah! Migraines! Bad!" 

"If you're just here to make friends, you can pack up your things and leave." 

The voice did not come from a student. It came from the floor. 

Izuku, Uraraka, and Iida looked down. Lying flat on the hallway floor was a man wrapped entirely in a bright yellow sleeping bag, looking uncomfortably like a giant, disheveled caterpillar. He unzipped the bag and stood up, revealing a gaunt face, tired, bloodshot eyes, and a mess of tangled black hair. Around his neck was a long, pale scarf made of what looked like steel-woven alloy. 

"It took you lot eight seconds to quiet down," the man said, pulling a juice pouch from his pocket and taking a sip. "Time is a limited resource. You kids aren't rational enough."

Rational, Izuku thought, his eyes narrowing as he analyzed the man. Tired eyes, specialized capture weapon, stealth-based entry. This is Eraserhead. An underground Pro Hero whose Quirk likely involves nullifying others. A logical choice for a homeroom teacher handling volatile, overpowered teenagers. 

"I'm Shota Aizawa. Your homeroom teacher," the man grunted. "Right. Let's get to it. Put these on and head out to the P.E. grounds." 

He reached into his sleeping bag and pulled out a blue and white gym uniform. 

The Baseline

The P.E. grounds were vast, stretching out under a clear, cloudless sky. The twenty students of Class 1-A stood in a loose cluster, wearing their U.A. tracksuits. The air was thick with nervous anticipation. 

"A Quirk Apprehension Test?!" 

The collective shout of the class echoed across the field. 

"What about the entrance ceremony? The orientation?" Uraraka asked, stepping forward with a worried frown. 

Aizawa kept his back to them, staring out at the dirt field. "If you're going to become Pro Heroes, you don't have time for leisurely events. U.A.'s selling point is its unrestricted traditions. That also applies to how the teachers run their classes."

Aizawa turned around, holding a small digital device. "You kids have been doing these physical fitness tests since junior high. Grip strength, fifty-meter dash, standing long jump, ball throw. But in junior high, you were forbidden from using your Quirks. It's a wildly irrational system that the Ministry of Education insists on keeping. It prevents us from seeing your true physical baselines."

He pointed a finger at Bakugo. "Bakugo. You finished second in the practical exam. In junior high, what was your best result for the softball throw?"

Bakugo scowled, stepping forward. "Sixty-seven meters."

"Right. Now, try doing it with your Quirk." Aizawa tossed a standard baseball to Bakugo. "Stand in the circle. You can do whatever you want, as long as you don't leave the circle. Give it all you've got."

Bakugo caught the ball, a vicious, predatory grin spreading across his face. He stepped into the painted white circle, rolling his shoulder. He stretched his left arm out, winding his right arm back. Izuku could see the sweat on Bakugo’s palms beginning to glisten, the nitroglycerin compounds activating. 

"DIIIIIIIE!" Bakugo roared. 

He threw the ball, violently detonating a massive explosion from his palm at the exact moment of release. The concussive shockwave blasted dirt and dust into the air, blowing the tracksuits of the front-row students back. The ball shot into the sky like a mortar shell, trailing smoke. 

Aizawa held up his digital tracker. It beeped. He turned it around for the class to see. 

705.2 Meters.

"Before we can teach you, we need to know what you're capable of," Aizawa said, his voice flat and uncompromising. "This is the rational metric that will form the basis of your hero foundation."

"Seven hundred meters?! That's awesome!" a boy with spiky red hair and sharp teeth cheered. 

"We get to use our Quirks as much as we want! This looks like fun!" a girl with pink skin and horns laughed. 

Izuku didn't laugh. He stared at Aizawa. He saw the subtle narrowing of the pro hero's eyes, the tightening of his jaw. Izuku recognized that look. It was the look of a predator assessing a herd, looking for the weakest link. 

"'Fun,' you say?" Aizawa's voice dropped an octave, the temperature in the air seeming to plummet. "You have three years to become heroes. Are you going to have an attitude of 'fun' the whole time? Fine. Let's make this interesting."

Aizawa smiled, and it was a terrifying, feral expression. "Whoever places dead last in all eight events combined will be judged to have no potential... and will be punished with immediate expulsion."

Absolute silence descended upon the field. 

"Expulsion?!" Uraraka gasped, her face draining of color. "But it's the first day! Even if it wasn't, that's totally unfair!"

"Natural disasters are unfair. Massive accidents are unfair. Villain attacks are unfair," Aizawa countered coldly. "The world is saturated with unfairness. If you're expecting a fair, friendly three years, you're in the wrong place. U.A. will run you through the wringer. Go beyond. Plus Ultra. Overcome it with everything you have."

Izuku took a deep breath. His heart rate remained steady. He didn't feel panic. He felt a deep, resonating focus. Eight events. I need to output maximum efficiency while minimizing cerebral strain. If I push too hard too early, I'll incapacitate myself before the final test.

"Event one," Aizawa announced. "The fifty-meter dash."

Test 1: The 50-Meter Dash

The track was a standard dirt lane, marked with white chalk. A robotic camera on a rail sat at the finish line to record the times. 

"Runners, to your marks," a robotic voice chimed. 

Izuku stepped up to the starting line. Beside him was Tenya Iida, who was currently rolling up his pant legs to reveal the exhaust pipes protruding from his calves. 

"Midoriya," Iida said, his voice deadly serious. "I acknowledge your superior combat capabilities. But this is a test of pure speed. My Engine Quirk was made for this. I will not hold back."

"I wouldn't want you to, Iida," Izuku replied calmly, dropping into a sprinter's crouch. 

Izuku closed his eyes. The fifty meters stretched out before him. If he simply decreased his own gravity, he would float, but he wouldn't gain forward momentum. He needed propulsion. He needed to alter the directional pull of gravity itself. 

Calculations, Izuku's mind raced. If I shift the vector of gravity ninety degrees forward, the finish line effectively becomes the 'ground'. I will be in a state of freefall. However, atmospheric drag will limit my terminal velocity. Furthermore, if I alter gravity, my feet will lose traction with the dirt, meaning I can't use my leg muscles to push off.

The solution was a dual-field manipulation. Highly complex. Highly taxing. 

Field A: Surrounding my body, shifting the gravitational vector 90 degrees horizontal, towards the finish line. Intensity: 2 Gs to accelerate faster than standard freefall.

Field B: A microscopic, high-density gravity well localized perfectly beneath the soles of my shoes to maintain friction and allow for an explosive initial push.

The dull ache at the base of his skull flared into a sharp spike. Izuku gritted his teeth, locking the mathematical parameters into his mind. 

"Ready..." the robot announced. 

Iida revved his engines. Blue fire sputtered from his calves, a high-pitched whine of gears spinning up to max RPM. 

"Start!" 

BOOM.

Iida launched forward like a bullet, kicking up a massive cloud of dust, his engines roaring. 

Izuku didn't run. He essentially fell forward. 

As the gravitational vector shifted violently, Izuku was subjected to an immediate 2 Gs of horizontal pull. The air was ripped from his lungs. To his sensory perception, the world tilted sideways. The finish line was now the bottom of a deep, fifty-meter pit, and he was dropping into it. 

Because he had anchored his feet with the secondary micro-gravity well, he was able to violently kick off the starting block, adding his own muscular kinetic energy to the accelerated freefall. 

Izuku shot across the track, a blur of green and blue. The wind screamed past his ears, tearing at his hair. He was moving so fast that the dirt beneath him didn't even have time to kick up. He was a human missile. 

He crossed the finish line in a dead heat with Iida. The moment he crossed the sensor, Izuku snapped the gravitational vector back to normal, bringing his feet down and skidding to a halt, tearing two deep trenches into the dirt to bleed off the terrifying momentum. 

"3.04 seconds!" the robot announced for Iida. 

"3.04 seconds!" the robot announced simultaneously for Izuku. 

Iida stood panting, smoke rising from his leg pipes. He stared at Izuku in absolute shock. "A tie... you matched my third gear using gravity manipulation? Incredible. Your acceleration curve must have been immense!"

"It was," Izuku said, pressing two fingers against his temple to massage a pulsing vein. "Two Gs of horizontal pull. Any more, and the air resistance would have started tearing my skin." 

Aizawa watched from the sidelines, marking the scores on his tablet. He shifted his center of gravity and accelerated his own mass horizontally, Aizawa analyzed. But to stop that quickly without breaking his legs, he had to instantly normalize his mass upon crossing the line. His reaction time is microscopic.

Test 2 & 3: Grip Strength & Standing Long Jump

Inside the gymnasium, the grip strength test was underway. A towering student with six arms, Mezo Shoji, casually squeezed his machine, scoring an impressive 540 kilograms. 

Izuku held his digital grip-meter. His natural physical strength, honed by years of carrying weighted vests and dragging trash on Dagobah Beach, was formidable. He could naturally squeeze about 70 kilograms. But this was a Quirk test. 

He didn't use a localized field; that was too clumsy. Instead, he coated his own hand in a hyper-dense, skin-tight gravity well. He artificially increased the mass and crushing power of his fingers, manipulating the microscopic space between his palm and the plastic grip. 

He squeezed. 

Crack. 

The thick plastic of the grip-meter shattered, the digital screen flashing an error code before dying completely. The internal springs had been compacted into solid discs of metal. 

Izuku looked up at Aizawa, holding the broken machine. "Apologies, sensei. The tensile strength of the device was insufficient for a gravitational compression."

Aizawa just sighed, writing down 'Unmeasurable' on his tablet. 

For the standing long jump, Izuku simply nullified his own gravity completely. As he leaped, he floated majestically over the entire sandbox, landing gracefully on the other side, scoring a cleared distance. 

However, the toll was building. 

By the time they reached the repeated side steps, Izuku’s nose had begun to bleed. A thin trail of crimson leaked from his right nostril. The constant, rapid switching of his Quirk—on, off, heavy, light, horizontal, vertical—was frying his nervous system. His brain felt like it was wrapped in barbed wire. He scored reasonably well on the side steps, relying purely on his physical stamina rather than risking a migraine, but he was sweating profusely. 

Test 5: The Ball Throw

They were back outside. This was the main event. 

Uraraka stepped into the circle. She looked nervous, but determined. She took the baseball from Aizawa, tapped it with all five of her fingers, and wound up. 

With a grunt, she threw the ball. It didn't go particularly fast, arcing lazily into the sky. But it didn't come down. It just kept going, rising higher and higher until it was nothing but a speck against the blue atmosphere, eventually vanishing entirely. 

Aizawa’s device beeped. He showed the screen to the class. 

The digital display showed a sideways figure eight. 

"Infinity?!" the class erupted. 

"That's insane! She got infinity!" Denki Kaminari, a blonde boy with a lightning bolt in his hair, yelled. 

Izuku watched in awe. Zero Gravity. Complete mass negation without a tether to an external field. It’s physically impossible according to standard quantum mechanics, yet she performs it flawlessly. The potential applications for deep space transport or structural engineering are limitless.

"Midoriya. You're up," Aizawa called out. 

The chatter among the students died down. Everyone had seen Izuku tie with Iida and break the grip machine. They all wanted to see what the 'Gravity Guy' was going to do for the ball throw. 

Bakugo crossed his arms, his jaw clenched so tightly it looked like his teeth might shatter. Show me, Deku, he thought violently. Show me how much you’ve been hiding.

Izuku stepped into the white circle. Aizawa handed him the ball. It felt light in his hands. Insignificant. 

He looked up at the sky. His head was throbbing. He needed to make this count. A simple throw, even with enhanced gravity to make his arm hit harder, wouldn't beat Uraraka's infinity. He needed to bypass the atmosphere. He needed to achieve orbital escape velocity. 

Escape velocity from Earth is 11.2 kilometers per second, Izuku calculated, his eyes narrowing as he stared at the clouds. If I simply accelerate the ball to that speed at ground level, the atmospheric drag will cause the ball to combust instantly. It will burn up into ash before it clears the troposphere.

To get infinity, the ball had to leave the planet's gravitational pull intact. Which meant he had to solve the problem of air resistance. 

Izuku closed his eyes. He spread his feet wide, grounding himself. He held the ball out in front of him with his right hand, his left hand gripping his right wrist to brace it. 

"What is he doing?" Uraraka whispered. "He's not winding up."

Aizawa's tired eyes widened slightly as the air pressure in the field suddenly plummeted. 

Izuku wasn't just manipulating gravity. He was manipulating space. 

Step One: The Vacuum Tunnel. 

Directly above the ball, pointing straight up into the sky, Izuku generated a perfectly cylindrical gravity well, one meter in diameter, stretching as far as his fifty-meter radius allowed, and mathematically extending the vector trajectory indefinitely. He commanded the gravity within the cylinder to push outward, laterally. The air inside the cylinder was violently shoved aside, creating a temporary, frictionless vacuum tube extending straight up into the atmosphere. 

A localized, artificial hurricane whipped up around Izuku as the surrounding air rushed in to fill the edges of the vacuum, whipping his U.A. tracksuit violently. 

Step Two: The Mass Driver.

Izuku focused entirely on the ball resting in his palm. 

Vector: Up. Trajectory: Locked to the vacuum tunnel. Mass Multiplier: 50 Gs.

Izuku opened his eyes. The whites of his eyes were completely bloodshot, glowing with a terrifying, absolute focus. Blood streamed freely from both of his nostrils, dripping down his chin. 

"Go," Izuku whispered. 

He released the ball. 

It didn't fly. It disappeared. 

CRACK-THOOOOOM!

The sound was not an explosion. It was the apocalyptic thunder of displaced atmosphere violently collapsing back in on itself as the ball broke the sound barrier instantaneously within the frictionless tunnel. The shockwave hit the ground with the force of a bomb, blasting a crater into the dirt inside the white circle and knocking half of Class 1-A off their feet. 

Uraraka shrieked, covering her ears. Bakugo was thrown backward, digging his heels into the dirt to stay upright, his red eyes wide with absolute, unfiltered shock. 

A massive, spiraling ring of condensed vapor—a sonic boom cloud—erupted into the sky, pointing straight up toward the exosphere like a spear of white clouds. The ball, subjected to fifty times the force of Earth's gravity in pure acceleration within a frictionless environment, had achieved a velocity of over 12 kilometers per second. It punched through the troposphere, the stratosphere, and the mesosphere in a matter of seconds, sailing cleanly into the cold, dead vacuum of space. 

On the field, absolute silence reigned, save for the ringing in everyone's ears. 

Izuku fell to one knee, gasping for air. His vision was swimming in black spots. The migraine was a physical entity inside his skull, clawing at his brain. He pinched his nose, trying to stem the heavy flow of blood, his right hand trembling uncontrollably. 

Aizawa stared at the sky for a long, long time. The pro hero had seen many Quirks in his career. He had seen fire, ice, super strength, and telekinesis. But he had rarely seen someone possess a Quirk that felt fundamentally disconnected from human limitations. That wasn't a Quirk. That was an orbital railgun. 

Slowly, Aizawa looked down at his digital tracker. It was flashing wildly, struggling to calculate the telemetry data from the tracker inside the ball, which had just left the planet's orbit. 

Finally, the screen settled. Aizawa turned it around. 

Infinity. 

"He... he got infinity too?" Kaminari squeaked, his voice cracking. "Without touching it? He just blasted a hole in the sky!"

"That was terrifying," Jiro, a girl with earphone jacks on her lobes, muttered, rubbing her arms as if she were cold. "Did you feel the pressure? It felt like my internal organs were being squished just standing near him."

Aizawa walked over to Izuku, who was still kneeling in the dirt, breathing heavily. Aizawa knelt down, his dark eyes locking onto Izuku's bloodshot, bleeding ones. 

"You're bleeding," Aizawa noted clinically. "Quirk exhaustion?"

"Cerebral... strain," Izuku panted, wiping his chin with the back of his sleeve. "Generating a fifty-G acceleration vector while simultaneously maintaining a vacuum corridor required me to rapidly process calculations beyond my standard threshold. Blood vessels in the nasal cavity ruptured due to the spike in blood pressure. It's temporary. I'll be fine in three minutes."

Aizawa narrowed his eyes. He's fully aware of his physiological limits. He pushed himself to the exact brink without causing permanent damage. He didn't break his arm. He didn't shatter his legs. He managed the recoil. All Might’s old apprentice would have shattered his entire skeleton to pull off a stunt like that.

Aizawa stood up. "Clean yourself up, Midoriya. Event six is next."

Bakugo stood perfectly still. He stared at the crater Izuku had created. He stared at the lingering vapor trail in the sky. His hands were shaking. Not from fear, but from a boiling, toxic mixture of bruised ego, disbelief, and incandescent rage. 

Fifty Gs, Bakugo's mind repeated. He's been sitting in a classroom with me for three years, letting me throw explosions at his back, and he could have launched me into orbit at any second.

The Gravity Dynamic

The rest of the apprehension test passed in a blur of dull, throbbing pain for Izuku. He relied entirely on his physical conditioning for the sit-ups, the seated toe-touch, and the long-distance run, refusing to use his Quirk and risk a full-blown aneurysm. 

When the final results were displayed via hologram, Izuku found his name. 

1st Place: Izuku Midoriya.

2nd Place: Momo Yaoyorozu.

3rd Place: Shoto Todoroki.

4th Place: Katsuki Bakugo.

Bakugo’s eye twitched violently as he stared at the number four next to his name. 

Aizawa smirked, zipping his sleeping bag up to his chin. "By the way, I lied about the expulsion. It was a rational deception to draw out the upper limits of your Quirks."

The class erupted in a mixture of relief and outrage, while Yaoyorozu simply sighed, muttering that it was obviously a ruse. Izuku remained silent. He knew Aizawa hadn't been lying. If any of them had truly shown zero potential, Aizawa would have cut them without a second thought. The threat had been very real; they had simply all passed the invisible threshold. 

As the class began to disperse back to the locker rooms, Izuku sat down on a nearby bench, pressing a cold water bottle against his forehead. The throbbing had subsided to a manageable dull ache, but he was physically drained. 

"Midoriya?" 

Izuku opened one eye to see Uraraka standing nervously in front of him. She was fiddling with the zipper of her tracksuit. 

"Hey, Uraraka. Good job today. You placed tenth. The infinity score really padded your average."

Uraraka offered a weak, wobbly smile. She sat down on the bench next to him, staring at her hands. The pads on her fingertips were slightly pink. 

"I don't know," she murmured softly. "Watching you out there... it kinda made me feel like I don't belong here."

Izuku frowned, sitting up straight. "Why would you say that?"

"I mean, look at our Quirks," she sighed, gesturing vaguely between them. "We both manipulate gravity. But I can only make things float. And I have to physically touch them to do it. If the object is too big, I throw up. But you... you didn't even touch the ball, and you shot it into space. You crushed those giant robots without laying a finger on them. Your gravity is like... a weapon. Mine is just a neat party trick compared to that."

Izuku stared at her, genuinely taken aback. He immediately leaned forward, the analytical gears in his head spinning up into overdrive. 

"Uraraka, you're looking at this entirely wrong," Izuku said, his voice dropping into its rapid-fire, muttering tempo. "You're comparing our Quirks based purely on destructive output, which is a fundamentally flawed metric for hero work. Yes, my Quirk has a higher kinetic ceiling, but it is incredibly volatile. If a building collapses and civilians are trapped under the rubble, I cannot use my Quirk to lift it. If I try to shift the gravity of the rubble, the spatial pressure will crush the civilians underneath before the rocks even move. My Quirk lacks precision."

Uraraka blinked, looking at him in surprise. "It does?"

"Yes! But your Quirk—Zero Gravity—is tactile. It isolates the mass of the object you touch without altering the spatial field around it. Do you realize how incredible that is? You could touch a collapsing bridge, negate its mass, and stabilize it without crushing the cars trapped underneath. You can touch an injured person and float them to safety without subjecting their broken bones to G-force strain. My Quirk destroys things. Your Quirk saves things."

Izuku paused, taking a breath. He looked her right in the eyes, his expression fiercely earnest. 

"In a disaster zone, I would be entirely useless compared to you, Uraraka. Your Quirk isn't a party trick. It's the ultimate rescue tool. You just need to train your vestibular system to handle the nausea."

Uraraka’s eyes widened. A blush crept across her cheeks, not from embarrassment, but from a sudden, overwhelming wave of validation. No one had ever broken down her Quirk like that. No one had ever told her it was superior to a combat Quirk. 

Slowly, a bright, radiant smile broke across her face. "Wow. I... I never thought about it like that. You really analyze this stuff, don't you?"

Izuku rubbed the back of his neck, his own cheeks dusting pink. "Ah, yeah. It’s a habit. I have thirteen notebooks full of Quirk analysis. Understanding mechanics is kind of my hobby."

"Well, it's a great hobby," Uraraka said, standing up and stretching her arms over her head. She looked down at him, her eyes sparkling with renewed determination. "Thanks, Midoriya. Seriously. You're gonna be an amazing hero."

As she jogged off toward the locker rooms, Izuku felt a strange lightness in his chest that had nothing to do with gravity. He had made a friend. A real friend, who respected his mind as much as his power. 

The Declaration of War

The golden light of late afternoon bathed the U.A. campus in a warm, cinematic glow. Izuku walked alone down the paved path toward the front gates, his yellow backpack slung over one shoulder. His headache was finally fading, replaced by the deep exhaustion of a long day. 

"Deku." 

The voice was low, dangerous, and completely devoid of its usual explosive yelling. 

Izuku stopped. He didn't turn around. He could hear the heavy, deliberate footsteps approaching from behind. 

Katsuki Bakugo stepped into Izuku’s peripheral vision, blocking his path. The blonde boy's hands were shoved deep into his pockets, his posture rigid. His face was obscured by the shadow of his spiky hair, but his red eyes burned like dying embers. 

"Kacchan," Izuku acknowledged quietly. 

"All these years," Bakugo started, his voice a lethal, quiet hiss. "You've been looking down on me, haven't you?"

"I have never looked down on you, Kacchan. I've always admired your drive."

"Don't lie to me!" Bakugo suddenly snapped, his voice echoing off the brick walls of the campus. He ripped his hands out of his pockets, small, popping explosions crackling violently across his palms. "Fifty Gs?! Vacuum tunnels?! You could have crushed me into paste at any point in middle school! But you just stood there! You let me yell at you, you let me throw my explosions, and you just took it! Because you knew! You knew you were so much better than me that I wasn't even worth fighting back against!"

Bakugo’s chest heaved. The humiliation of the day—placing fourth, seeing Izuku dominate the entrance exam, seeing Izuku casually replicate a score of infinity—had broken the dam of his massive inferiority complex. 

"You think you're the main character, don't you?!" Bakugo roared, stepping into Izuku's space, smelling strongly of burnt sugar and ozone. "You think you're the immovable object! Well, I'm the unstoppable force, Deku! I don't care if you can warp space. I don't care if you can lift buildings. I am going to tear your gravity apart! I am going to be Number One, and I am going to use you as a stepping stone to get there!"

Izuku looked at the boy who had been his tormentor, his rival, and in a twisted way, his only peer for the last decade. 

Izuku didn't flinch away from the sparks. He stepped forward, closing the distance until he was inches from Bakugo's face. The air between them grew palpably heavy. Izuku didn't activate his Quirk, but the sheer, oppressive presence of his willpower felt like an increase in gravity. 

"You're wrong, Kacchan," Izuku said, his voice cold, steady, and terrifyingly calm. "I didn't fight back in middle school because we weren't allowed to use Quirks, and I refuse to break the law for the sake of a petty ego contest."

Bakugo gritted his teeth, his eyes wide with fury. 

"But we're at U.A. now," Izuku continued, his green eyes locking onto Bakugo's red ones with absolute, unyielding intensity. "We're allowed to fight. We're expected to fight. So, if you want a war, Kacchan... you have it. But understand this."

Izuku leaned in, his voice dropping to a whisper that sent a chill down Bakugo's spine. 

"Gravity is a fundamental law of the universe. Explosions are just chemical reactions. A chemical reaction cannot destroy a law of physics. If you come at me, I will not hold back. I will crush you."

For a long, agonizing moment, the two boys stared at each other, caught in the orbit of their mutual, explosive gravity. 

Then, Bakugo scoffed, a feral, terrifying grin stretching across his face. "Good. Bring it on, nerd."

Bakugo turned and stalked away toward the train station, his hands popping with renewed, violent energy. 

Izuku watched him go. The headache returned, a dull throb warning him of the stress to come. But as he adjusted his backpack and resumed his walk home, Izuku felt a grim, undeniable anticipation. The battle lines were drawn. The orbit was set. The collision was inevitable.

The afternoon sun cast long, angular shadows across the pristine hallways of U.A. High School. The dull, mandatory curriculum of morning English and mathematics had finally given way to the true purpose of the academy. A palpable, electric tension hummed in the air of Class 1-A. This was the moment they had all been waiting for. 

Hero Basic Training.

"I AM..." 

The massive classroom door was suddenly yanked open, moving so fast it slammed against its track with a deafening metallic CLANG. 

"...COMING THROUGH THE DOOR LIKE A NORMAL PERSON!" 

Toshinori Yagi, the undisputed Number One Hero, All Might, marched into the room. He was wearing his iconic Silver Age costume, his massive cape billowing behind him as if caught in an indoor hurricane. His legendary smile was plastered across his chiseled face, radiating a blinding, almost physical aura of charisma and absolute safety. 

The class erupted. 

"It's All Might!" Kaminari cheered, leaning so far out of his desk he nearly tipped over. 

"Wow, he really is a teacher!" Ashido gasped, her yellow eyes wide with unfiltered admiration. 

"That's a costume from the Silver Age, isn't it? The shading is so dramatic it makes my eyes hurt," Asui noted, placing a finger to her chin. 

Izuku Midoriya sat in the middle row, his eyes locked onto the towering figure of the Symbol of Peace. Even with his analytical mind, Izuku wasn't immune to the sheer, mythological gravity that All Might commanded. He had spent his childhood watching videos of this man saving thousands. But as Izuku looked closer, his keen eyes noticed something. A subtle, almost imperceptible hitch in the hero's breathing. A slight leaning on his right leg to favor his left side. An old injury? Izuku wondered, pulling out a fresh notebook. Or is the muscle form a temporary physiological inflation that taxes his respiratory system?

"Welcome to the most important class in U.A. High!" All Might boomed, marching up to the podium. "Think of it as Heroing 101! Here, you will learn the basics of being a pro! And what better way to start than with... COMBAT TRAINING!" 

Bakugo, sitting a few rows away from Izuku, cracked his knuckles. A wicked, feral grin split his face. "Combat..." 

"And to go with that," All Might pointed a massive finger toward the wall. "Are these!" 

The wall panels hissed, sliding open to reveal numbered, heavy-duty metallic cases. 

"Costumes made based on your Quirk registrations and requests you sent in before school started!" All Might announced. "Get changed, and gather at Ground Beta! The clothes make the pro, young men and women! Let's see what you're made of!"

The Armor of a Hero

Ground Beta was a sprawling, hyper-realistic replica of a dense urban cityscape. Skyscrapers of concrete and glass reached into the sky, bisected by narrow alleyways and wide, paved avenues. 

Izuku walked out of the tunnel leading into the arena, rolling his shoulders to adjust to the fit of his new gear. 

He hadn't requested a flashy, brightly colored spandex suit like All Might. His Quirk was a matter of extreme physiological stress, and his costume needed to be a medical and tactical countermeasure. 

He stepped into the sunlight, fully clad in his hero attire. 

His suit was a dark, matte forest-green, constructed from a highly durable, compression-woven synthetic fiber. It was heavily modeled after the G-suits worn by high-altitude fighter pilots. Thick, black compression bands wrapped tightly around his calves, thighs, waist, and forearms. These bands contained microscopic pneumatic bladders that would automatically inflate when Izuku subjected himself to high G-forces, preventing the blood in his body from pooling in his extremities and causing him to black out. 

His boots were heavy, reinforced with steel toes, and featured thick, magnetic-locking soles to help anchor him to the ground when he altered directional vectors. Around his neck, resting comfortably over his collarbone, was a thick, black cervical collar lined with thermodynamic cooling gel, designed specifically to draw excess heat away from his brain and combat his Quirk-induced migraines. 

Finally, a sleek, dark-metal half-mask rested over his jaw, equipped with an internal oxygen cycler to help him breathe if he ever accidentally created a vacuum pocket around his own face. 

"Woah, Midoriya! You look like a stealth operative!" 

Izuku turned to see Uraraka running up to him. She was wearing a skin-tight, pale pink and black suit that looked heavily inspired by astronaut gear, complete with thick, rounded boots and bracers, and a transparent visor resting on her forehead. 

"Uraraka," Izuku smiled, taking in her design. "Your suit is fascinating. The thick, rounded extremities... are they designed to mitigate shock absorption when you land from a null-gravity float? And the neck collar looks like it hits your pressure points to suppress nausea. Brilliant."

Uraraka blushed violently, rubbing the back of her head. "Ah! Yeah! I mean, I just checked the boxes on the form, but the support company really went all out! It's a bit tighter than I thought it would be, though... kinda embarrassing." 

"It's highly functional," Izuku assured her, completely missing the social cue in favor of pure utilitarian analysis. 

"Deku." 

The harsh voice cut through the chatter. 

Izuku didn't flinch. He turned to see Katsuki Bakugo storming out of the tunnel. Bakugo's costume was aggressively theatrical—a black, sleeveless tank top with an orange X stretched across the chest, heavy combat boots, and, most notably, massive, terrifying, grenade-shaped gauntlets locked over his forearms. 

Bakugo didn't say another word. He just glared at Izuku, his red eyes dropping to the dark-green G-suit. Bakugo bumped his massive gauntlet against Izuku's shoulder as he walked past, a silent, violent promise of things to come. 

"They look amazing!" All Might bellowed, standing before the gathered class with his hands on his hips. "Now, let's see how you do in a real scenario!" 

All Might produced a small, printed script from his pocket, clearing his throat. "The situation is this! The villains have hidden a nuclear weapon inside a multi-story building! The heroes must infiltrate the building and either secure the weapon or capture the villains within fifteen minutes! If the villains successfully protect the payload or capture the heroes, they win!"

"Sir!" Iida raised a rigidly armored hand from the crowd. He was clad in a massive, gleaming suit of white knight-like armor, exhaust pipes protruding from his back and calves. "How will the teams be decided?"

"Lots!" All Might held up a yellow box. "You will draw a letter! This simulates the chaotic nature of hero work, where you often have to team up with whoever is available on the scene!"

The drafting process was quick. Izuku pulled a small wooden ball with the letter 'A'. He looked around the crowd. 

"Hey, Midoriya! I'm team A too!" Uraraka cheered, holding up her matching ball. 

"The Gravity Duo," Izuku muttered, a genuine smile breaking across his face. "This is an incredibly statistically favorable pairing, Uraraka. The synergy between our Quirks is mathematically unparalleled."

"Right!" Uraraka beamed, throwing a fist into the air. "Let's do our best!"

"And the first teams to fight will be..." All Might plunged his hands into two separate boxes marked 'Hero' and 'Villain'. He pulled out two balls. 

"Team A will be the Heroes! Team D will be the Villains!" 

The temperature in the arena seemed to drop by ten degrees. 

Izuku slowly looked across the crowd. Standing perfectly still, holding the 'D' ball, was Katsuki Bakugo. Beside him was Tenya Iida. 

Bakugo turned his head. His eyes locked onto Izuku. The feral grin from the classroom was back, but this time, it wasn't just a threat. It was a guarantee of extreme violence. 

"A fated battle between men!" All Might announced, though he looked somewhat hesitant as he noticed the murderous aura radiating from the blonde boy. "Villain team, go inside and set up! Heroes, you have five minutes to strategize before your timer begins!"

The Strategy

The building was a five-story concrete structure, devoid of windows and plunged into artificial gloom. 

Outside, Izuku and Uraraka stood before the steel entry doors. Izuku had a schematic of the building's floor plan pulled up on a holographic tablet provided by U.A. 

"Okay," Izuku began, his voice dropping into a calm, clinical cadence. "The building has five floors, connected by a central stairwell and several overlapping maintenance corridors. Iida is highly mobile, but his Engine Quirk is heavily restricted in tight spaces. He requires long, straight lines for acceleration. Therefore, it is highly likely that Iida will remain on the fifth floor to guard the payload, where he has the most open space."

Uraraka nodded, hanging onto his every word. "And Bakugo?"

"Kacchan will not guard the payload," Izuku stated with absolute certainty. "He possesses an overwhelming, single-minded drive for victory through total domination. Furthermore, he explicitly challenged me yesterday. He will leave the payload room immediately and hunt me down. He intends to ambush us in the lower corridors."

"Ambush us?" Uraraka swallowed hard. "His explosions were huge during the fitness test. If he gets us in a tight hallway..."

"He won't get us," Izuku said, turning to look at her. "Because we are going to synergize. Uraraka, your Quirk completely negates mass, correct? If you use it on yourself, you become weightless."

"Yeah, but I can't fly. I just float around helplessly until I grab onto something or release the Quirk. And it makes me super dizzy."

"You don't need to fly," Izuku smiled, his eyes gleaming with the thrill of applied physics. "You just need to act as the payload. I will be the launch mechanism."

Izuku pointed to the central stairwell on the blueprint. "When Kacchan attacks, he will focus entirely on me. I will engage him and lock him down. While I do that, you will touch yourself and negate your mass. I will generate a highly precise, frictionless gravity tunnel—similar to what I did with the softball, but operating at a gentle, non-lethal 1.5 Gs—aimed directly up the center of the stairwell."

Uraraka’s eyes widened as she grasped the concept. "You're going to shoot me up to the fifth floor?"

"Like a bubble," Izuku confirmed. "You will bypass floors one through four entirely. The moment you clear the fifth-floor landing, you release your Quirk, drop into the payload room, and secure the weapon while Iida is distracted. It's the Gravity Slingshot."

"That is... incredibly smart," Uraraka breathed. "But Midoriya, you'll be left all alone with Bakugo. Are you going to be okay?"

Izuku looked up at the towering concrete building. He could feel the mass of it. He could feel the exact density of the steel rebar hidden within the concrete. He reached up and tapped the cooling collar around his neck. 

"Kacchan is powerful," Izuku said softly. "But he is bound by the laws of thermodynamics. I am not."

A loud buzzer echoed across Ground Beta. 

"HERO TEAM, YOU MAY ENTER!" All Might's voice boomed from the hidden PA system. 

"Let's go," Izuku said, pushing open the heavy steel doors. 

The Ambush

The interior of the building was a labyrinth of gray concrete, lit only by flickering emergency lights. The silence was oppressive, broken only by the soft thud of Izuku and Uraraka's boots against the floor. 

They moved down the first-floor corridor, approaching the first intersection. Izuku walked in front, his senses hyper-extended. He wasn't just listening with his ears; he was feeling the microscopic vibrations of gravity around him, searching for the shift of mass that would signal an approaching body. 

Left corner. Thirty meters. Fast approach.

"Uraraka. Behind me," Izuku whispered, his posture dropping into a combat stance. 

Before Uraraka could move, the silence shattered. 

From around the corner, Katsuki Bakugo practically flew through the air, using consecutive explosions from his palms to propel himself forward at terrifying speed. His face was twisted into a mask of pure, unadulterated fury. 

"DEKU!" Bakugo roared, winding his right arm back. The pin on his massive grenadier bracer glinted in the dim light. 

"Uraraka, now!" Izuku shouted. 

Uraraka immediately slapped her hands together, pressing her fingertips to her own chest. Her pink suit lit up, and her feet gently lifted off the ground as her mass hit zero. 

Izuku didn't retreat. He stepped directly into Bakugo's path. 

Bakugo swung a devastating right hook, a massive, fiery explosion erupting from his palm, aimed squarely at Izuku’s face. 

In the monitor room, several students gasped. 

"He's going to blow his head off!" Kirishima yelled. 

Izuku didn't blink. At the exact millisecond before the explosion connected, Izuku violently activated his Quirk. 

Vector: Down. Intensity: 3 Gs. Radius: 5 meters.

The localized gravity well slammed down on the hallway like an invisible, hydraulic press. 

Bakugo, who had been mid-air and fully extended into his punch, was instantly subjected to three times his own body weight. The sudden, immense kinetic load crushed his momentum. The explosion fired, but because Bakugo’s arm was violently dragged downward, the blast scorched the concrete floor inches from Izuku’s boots, rather than his face. 

Bakugo hit the ground hard. His knees buckled, driving deep cracks into the concrete. He grunted, his teeth grinding together as he tried to force himself up, his muscles bulging under the artificial, crushing weight of 480 pounds. 

"Gah... you bastard...!" Bakugo spat, his palms sparking wildly against the floor. 

"You're heavy, Kacchan," Izuku said, his voice entirely devoid of panic. "But you're entirely predictable. Slingshot, execute!"

Izuku held out his left hand, pointing it toward the open stairwell ten feet away. He didn't drop the 3-G field holding Bakugo down. Instead, he multi-tasked, splitting his cerebral processing power—a feat that instantly caused a sharp throb of pain behind his eyes. 

Vector: Up. Trajectory: Stairwell. Force: 1.5 Gs.

An invisible cylinder of upward gravity formed. Uraraka, floating weightlessly, was caught in the slipstream. Because she had no mass, the 1.5-G pull acted on her perfectly, accelerating her upward without any jarring G-force shock to her internal organs. 

"Whaaaaa!" Uraraka yelled as she was smoothly and rapidly sucked up the center of the stairwell, flying past the second, third, and fourth floors in a matter of seconds. 

Bakugo, forced to his hands and knees by the crushing gravity, saw Uraraka launch up the stairs. His red eyes widened in realization. They had played him. They had used his own hyper-aggressive ambush as a distraction to secure the payload. 

"You think..." Bakugo growled, his voice vibrating with rage as he stared up at Izuku. "You think a little extra weight... is gonna keep me grounded?!"

Bakugo aimed both of his palms directly at the floor. 

BOOM! BOOM! BOOM!

A rapid, continuous chain of massive explosions erupted from his hands. 

Izuku’s eyes widened. He realized instantly what Bakugo was doing. He's using thrust to bypass the gravitational constant. If the upward force of his explosions exceeds the downward force of 3 Gs, he will achieve lift!

The sheer, concussive force of the explosions tore the concrete floor apart. The blast wave shattered Izuku's concentration, forcing him to drop the 3-G field and throw his arms up to shield his face from the flying shrapnel. 

Bakugo shot out of the smoke like a demon. His costume was singed, his face streaked with soot, but his eyes were completely deranged. He hadn't just overcome the gravity; he had used the momentum of his own upward thrust to launch himself directly at Izuku. 

"DIE!" 

Bakugo spun mid-air, delivering a blistering, explosive roundhouse kick aimed right at Izuku's ribs. 

Izuku didn't have time to create a dense gravity well to block it. Instead, he altered his own personal gravity. 

Mass Multiplier: 0.1 Gs. Vector: Backward.

Izuku essentially turned himself into a feather. When Bakugo’s foot connected with Izuku's side, it didn't shatter his ribs. Because Izuku had almost zero mass, the kinetic energy of the kick simply launched him backward down the hallway at high speed, effectively nullifying the blunt force trauma. 

Izuku flew backward down the corridor, twisting gracefully in mid-air like an astronaut. He quickly normalized his gravity to 1 G, his heavy boots locking onto the floor with a heavy thud, skidding to a halt twenty feet away. 

"Don't run from me, Deku!" Bakugo screamed, using his explosions to propel himself off the walls, zigzagging down the corridor like a ricocheting bullet. 

"I'm not running, Kacchan," Izuku muttered, a bead of sweat rolling down his forehead. "I'm calculating."

Orbital Dogfight

The monitor room was dead silent. 

The entire class of 1-A was clustered around the massive screens, watching the high-speed, hyper-violent clash in the lower corridors. 

"This is insane," Kaminari whispered. "Bakugo is moving like a guided missile. But Midoriya... he's just... dancing around him."

"It's like watching a martial artist fight a ghost," Yaoyorozu observed, her dark eyes wide. "Midoriya is constantly shifting his own mass. When Bakugo attacks, Midoriya makes himself light to ride the shockwave without taking damage. When Midoriya lands, he makes himself heavy to anchor his footing. The cerebral processing required to manipulate gravity that quickly in a live-combat scenario is unfathomable."

All Might stood at the back of the room, his large hands gripping the console tight enough to dent the metal. 

Young Midoriya, All Might thought, his heart swelling with a mixture of immense pride and profound concern. Your mastery over your Quirk is that of a seasoned Pro. But I can see the strain it puts on your body.

All Might’s mind briefly flashed to a young, blonde, fiercely determined student he had met a year ago—Mirio Togata. All Might had nearly chosen Mirio to inherit One For All. But seeing Midoriya now, commanding the fundamental forces of the universe with such heroic, analytical precision, All Might couldn't help but wonder. 

If I had given One For All to a boy who already controls gravity... what kind of godlike force would he have become? Perhaps it is for the best that he did not inherit it. The sheer power output might have torn the world apart.

Back in the building, the fight had ascended to the second floor. 

Bakugo was relentless. He wasn't just throwing wild punches; he was a combat genius. He quickly realized that if he fought on the ground, Izuku would just drop a crushing gravity field on him again. So, Bakugo took to the air. 

He used continuous, small pops of nitroglycerin to hover, turning the tight corridor into a three-dimensional dogfight. He fired a massive blast, filling the hallway with smoke to blind Izuku, before flanking him from above. 

Izuku coughed, the smoke burning his lungs. Through the haze, he heard the crackle of sparks above him. 

Above. 45-degree angle.

Izuku looked up. Bakugo was diving at him, both palms extended. 

"Stun Grenade!" Bakugo yelled. 

A blinding, magnesium-white flash of light erupted from his hands, instantly searing Izuku's retinas. 

Izuku cried out, squeezing his eyes shut as temporary blindness washed over him. But he didn't panic. He couldn't see, but he could still feel the mass. He felt Bakugo’s heavy, explosive descent rushing toward him. 

Izuku threw his hands up. 

Vector: Null. Radius: 2 meters.

Bakugo slammed into the invisible gravity vacuum. His downward momentum was instantly stripped away. He hung there, floating helplessly in mid-air for a fraction of a second, completely weightless. 

"Get off me!" Bakugo roared, trying to fire an explosion to push himself out of the zone. 

But Izuku didn't give him the chance. With his eyes still shut tight, tears of pain leaking from the corners, Izuku twisted his hands. 

Vector: Lateral. 5 Gs.

Bakugo was violently thrown sideways, slammed into the concrete wall of the hallway with the force of a speeding truck. The concrete cracked, dust raining from the ceiling. Bakugo coughed up blood, the breath driven completely from his lungs. 

Izuku dropped the field, falling to one knee. He blinked rapidly, the blinding white spots slowly fading from his vision. His head was pounding. The rapid activation and deactivation of intense gravity fields were causing micro-hemorrhages in his nasal cavity. Blood began to steadily drip from his nose, staining his green mask. 

"I told you... Kacchan," Izuku panted, wiping the blood with the back of his compressed glove. "You can't punch... a law of physics."

Bakugo peeled himself out of the crater in the wall. His left arm hung limply at his side, clearly dislocated or heavily bruised from the impact. But his red eyes were still burning. They were wild, feral, and absolutely refusing to accept defeat. 

"Shut up," Bakugo wheezed, his right hand twitching. He reached over to the massive grenadier bracer on his right arm. He grabbed the metal pin locked into the firing mechanism. 

Izuku’s eyes widened as his vision cleared. He remembered the blueprints of Bakugo's costume. The bracers weren't just for show. They stored his nitroglycerin sweat. They were pressurized payloads. 

"If I don't hit you, I won't kill you," Bakugo grinned, a manic, terrifying smile. "But I'm gonna blow this whole damn floor away!"

"Young Bakugo, stop!" All Might's voice screamed over the PA system. "Are you trying to kill him?!"

Bakugo ignored the hero. He yanked the pin. 

"KACCHAN!" Izuku yelled. 

A torrent of pure, unadulterated fire and concussive force erupted from the bracer. It wasn't an explosion; it was a continuous, howling beam of destruction. It filled the entire hallway, vaporizing the drywall, melting the overhead lights, and roaring directly toward Izuku like an artificial sun. 

Izuku had a fraction of a second. He couldn't dodge. He couldn't make himself weightless; the blast wave would just carry him into the wall and crush him anyway. 

He had to compress it. 

Izuku crossed his arms over his chest, his boots magnetically locking to the floor. He focused all his remaining cerebral power into a single, microscopic point directly in front of him. 

EVENT HORIZON.

He generated a gravity well of 30 Gs, compressed into a space the size of a golf ball, floating exactly two feet in front of his chest. 

The roaring pillar of fire hit the anomaly. 

Instead of washing over Izuku, the explosion was violently, forcefully sucked inward. The intense gravity bent the thermal energy and the kinetic shockwave, pulling the fire into a swirling, ultra-dense vortex of plasma. The hallway screamed as the oxygen was sucked into the miniature singularity. Izuku stood his ground, the muscles in his legs screaming, blood pouring freely from his nose as he held the terrifying, immense pressure of the compacted explosion. 

The blast died down. Bakugo dropped his arm, gasping for breath, staring in absolute, horrified disbelief. 

Floating in front of Izuku was a basketball-sized orb of super-compressed fire, swirling lazily in a localized gravity trap. 

Izuku looked at Bakugo, his green eyes burning with a fierce, terrifying power through the blood streaming down his face. 

"My turn," Izuku whispered. 

With a flick of his wrist, Izuku inverted the gravity well. 

The compressed explosion detonated. 

The concussive wave was channeled cleanly down the hallway, hitting Bakugo like a physical wall of air. Bakugo was picked up and blasted backward, flying fifty feet down the corridor before crashing through a wooden door and tumbling into an empty room, unconscious before he even hit the floor. 

Izuku released his Quirk. The pneumatic bladders in his suit deflated with a hiss. He leaned heavily against the scorched wall, his chest heaving, his vision swimming. The migraine was blinding now, a spike of pure agony driven through his temples. 

Bakugo is down, Izuku thought hazily. Uraraka... it's all on you now.

The Payload

On the fifth floor, the situation was looking grim. 

Uraraka had successfully executed the slingshot, floating gracefully up the stairwell and landing quietly on the top floor. But Tenya Iida had not been idle. 

"I am the embodiment of villainy!" Iida declared loudly, standing dramatically in front of the massive, papier-mâché nuclear weapon. He had completely leaned into the roleplay, his voice booming. "And I have prepared for your arrival, heroes!"

Uraraka peeked around the corner and her heart sank. 

Iida had cleared the room. Every single desk, chair, and loose piece of debris had been meticulously carried out of the payload room. The floor was completely bare. 

Oh no, Uraraka panicked. My Quirk only works if I have things to float! I can't use the rubble as weapons if there is no rubble!

"Ah-ha! I spot you, hero!" Iida yelled, spotting her pink helmet. His leg engines revved, blue fire spitting from the exhaust pipes. "You cannot defeat my superior speed in an open environment!"

Iida charged. He crossed the room in a second, his speed incredible. Uraraka barely managed to roll out of the way, feeling the wind of his passing armor rustle her hair. 

"Midoriya!" Uraraka yelled into her earpiece, dodging another high-speed pass from Iida. "I'm in trouble! Iida cleared the room! I have nothing to use my Quirk on, and he's too fast to touch!"

Static buzzed in her ear, followed by Izuku's heavy, ragged breathing. 

“Uraraka…” Izuku’s voice crackled, sounding incredibly strained. “Are you… near the central pillar?”

Uraraka looked quickly to her left. A massive, load-bearing concrete pillar ran floor-to-ceiling in the middle of the room. 

"Yes! I'm right next to it!"

“Grab onto it. Wrap your arms entirely around it. And hold your breath.” 

Uraraka didn't question him. She dove for the pillar, wrapping her arms and legs around the thick concrete like a tree frog, squeezing her eyes shut. 

Iida skidded to a halt, adjusting his glasses. "A foolish maneuver! Clinging to architecture will not save you from my—"

Down on the second floor, Izuku pushed himself off the wall. Blood was still leaking from his nose, his eyes completely bloodshot. He knew he had only a few seconds before his brain essentially shut down from the kinetic overload. 

He didn't target the room. He didn't target Iida. 

He targeted the entire building. 

He placed both of his hands flat against the scorched concrete wall. He closed his eyes, visualizing the entire five-story structure. The immense, unfathomable mass of thousands of tons of steel, concrete, and glass. 

VECTOR SHIFT: LATERAL. NINETY DEGREES.

He didn't try to lift the building. That would kill him instantly. He just altered the gravitational orientation of the space inside the building. 

For three terrifying seconds, "down" was no longer the floor. "Down" was the east wall. 

The entire building groaned, an apocalyptic screech of stressing steel and cracking concrete echoing through Ground Beta. 

On the fifth floor, the world tilted sideways. 

"WHAT IN THE NAME OF—?!" Iida screamed. 

His feet lost all traction. Because gravity had suddenly shifted ninety degrees, the floor beneath him essentially became a sheer cliff face. Iida fell. He plummeted twenty feet horizontally across the room, smashing violently into the east wall of the payload room with a heavy, metallic crunch. 

The massive, papier-mâché nuclear bomb slid across the floor like a puck on ice, slamming into the wall next to Iida. 

Uraraka screamed as her body was violently yanked to the side, her arms burning as she hung onto the central pillar for dear life, suddenly dangling above the "new" floor. 

One second. 

Two seconds. 

Three seconds. 

Izuku collapsed. 

The gravitational vector violently snapped back to normal. The floor became the floor again. 

Iida, who had been pinned against the east wall, fell twenty feet straight down, crashing face-first onto the concrete floor. The payload bomb dropped perfectly on top of him, trapping the armored boy beneath its bulky, though light, frame. 

Uraraka slipped off the pillar, landing hard on her hands and knees. She gasped for air, her head spinning wildly from the spatial distortion. 

She looked up. Iida was groaning, trapped beneath the bomb, his glasses askew. 

Uraraka scrambled to her feet. She dashed forward, throwing herself onto the bomb and wrapping her arms around it. 

"Payload secured!" she yelled, her voice trembling with adrenaline. 

Victory

"THE HERO TEAM... WINS!" 

All Might's voice echoed through the PA system, sounding genuinely shaken. 

In the monitor room, the class was frozen in stunned silence. They had just watched Midoriya manipulate the gravity of an entire commercial building to turn the environment itself into a weapon. 

"That guy..." Kirishima whispered, staring at the screen showing Izuku lying unconscious in the second-floor hallway. "That guy is a monster."

"No," Todoroki spoke up from the back of the room, his heterochromatic eyes narrowed in intense, calculating respect. "He's not a monster. He's a tactician. He calculated the exact amount of force needed to disable Iida without destroying the structural integrity of the building. He has absolute, terrifying control."

Down in the building, the medical bots rolled in. They loaded a bruised, unconscious Bakugo onto a stretcher. On the second floor, they found Izuku. 

His green suit was covered in dust and soot. The cooling collar around his neck was completely melted from the heat of absorbing Bakugo's blast. Blood was smeared across his face. But as the medical bot lifted him, Izuku's eyes fluttered open for a brief, hazy second. 

He saw the white ceiling of the hallway. He felt the steady, comforting pull of the earth beneath him at exactly 1 G. 

We won, Izuku thought, a small, bloody smile curving his lips before the darkness took him again. Physics always wins.