Chapter 1: The Calamity Beyond Quirks
The air in Kamino Ward didn't just smell of ozone and wet pavement anymore; it smelled of dying gods and ancient, suffocating malice.
Moments ago, the scene had been a desperate tactical strike. Best Jeanist, the Number Three Hero, had successfully restrained the League of Villains' cohorts. The "Symbol of Peace," All Might, was supposed to be the final word in this conflict. But the world had tilted when the black liquid began to bubble from the mouths of the villains, and a presence—cold, calculating, and ancient—stepped out from the shadows of the ruined warehouse.
All For One had arrived.
But even the "Demon Lord" of the underworld found his grand entrance interrupted.
The sky didn't just darken; it fractured. A spiraling vortex of blue-white energy, laced with black markings that defied the laws of physics, tore open a mile above the skyline. It wasn't a Warp Gate. It didn't have the misty, purple consistency of Kurogiri's Quirk. This was a wound in reality itself.
Tsunagu or Best Jeanist felt the threads of his uniform vibrate. Not from the wind, but from a frequency of fear he hadn't felt since he was a sidekick.
"Everyone, get back!" he shouted, his voice cracking through the industrial silence. He ignored the Nomu for a split second, his eyes locked on the sky. "Edge Shot! Mt. Lady! Look up!"
High above, a golden flash—faster than any jet—seemed to spark within the vortex. For a heartbeat, Tsunagu thought he saw a man in a white cloak, his back turned, hands moving in a blur of impossible symbols. Then, with a sound like a mountain shattering, the golden light vanished, and something vast took its place.
It was falling.
"It's... a Quirk?" Mt. Lady whispered, her giant form trembling. "Is that a transformation Quirk? It's huge! It's bigger than me!"
"That's no Quirk," Tsunagu hissed, his fingers dancing as he tried to weave the carbon fibers of the nearby wreckage into a net. "That's a disaster."
The creature hit the ground three blocks away. The shockwave didn't just shatter windows; it leveled the entire district. A cloud of dust and debris surged upward, painted a hellish, bruised crimson by the energy radiating from the impact zone.
Toshinori's lungs burned. He had just arrived to find All For One standing amidst the ruins, but both of them were frozen, staring at the mushroom cloud of dust where the residential sector used to be.
The dust didn't settle. It was blown away by a roar.
It wasn't a sound of an animal. It was the sound of a hurricane given a voice. It was a sound that carried a weight of hatred so heavy that Toshinori felt his knees buckle. The "Killing Intent" was a physical force, a tidal wave of blood-red energy that turned the very oxygen into lead.
"What... is this?" Toshinori gasped, his blue eyes wide.
Through the settling grit, the silhouette emerged. Nine tails, each the size of a skyscraper, lashed out, whipping through buildings like they were made of dry sand. A fox—orange, fur like licking flames, and eyes that burned with a horizontal slit of pure, unadulterated rage.
The creature towered over the city. Its ears flicked, and every time it shifted its weight, the ground groaned and buckled.
"A beast?" All For One's voice drifted through the air, surprisingly calm but laced with a rare, sharp edge of curiosity. "I don't recall any Quirk in my collection capable of manifesting such... density. The energy output is... astronomical."
Katsuki was pinned. He was supposed to be the center of this rescue mission, the prize being fought over by the League and the Heroes. But now, he felt like an ant under the heel of a god.
He looked up. He couldn't help it. The Fox was right there. Its sheer size blocked out the moon. He could see the individual hairs of its fur, each one glowing with a faint, toxic orange light. The heat coming off it was searing his skin.
"Move..." Katsuki whispered, his teeth grit so hard they might shatter. "Move, damn it!"
But his body wouldn't obey. This wasn't like facing All Might or even the sludge villain. This was different. When he looked at the Fox, he didn't see a "villain" to be beaten. He saw the end of the world.
The Fox shifted. One of its tails slammed into a nearby skyscraper, the "Kamino Grand," and the building simply ceased to exist. It didn't fall; it was pulverized into dust instantly.
"Hey..." Bakugo croaked, his eyes watering from the stinging red mist in the air. "Is this a joke? All Might! Do something!"
For the first time in a century, All For One felt a genuine spark of greed that was eclipsed by a primal instinct: caution.
He floated a few inches off the ground, his sensory Quirks screaming at him. The "Quirk" he was sensing from the beast wasn't a Quirk at all. There was no "plus alpha" element, no genetic trigger. It was a raw, spiritual pressure that felt like staring into the sun.
"I see," All For One murmured, his mask tilting toward the colossal beast. "A visitor from elsewhere? Or perhaps a biological singularity? Regardless... the power you possess... I must have it."
He raised his hand.
"Forcible Quirk Activation. Impact Recoil. Springlike Limbs. Kinetic Booster."
His arm swelled, a grotesque fusion of bone, muscle, and metallic rivets. He aimed not at All Might, but at the Great Fox. He wanted to see if this "beast" could bleed.
"Let us see how you handle a concentrated blast of—"
The Fox didn't even look at him. It simply turned its head, its slit-pupil locking onto the small, floating man. It opened its jaws.
The air began to warp. Black and blue spheres of energy began to coalesce in front of its mouth, spinning with the force of a collapsing star. The pressure became so intense that the ground beneath All For One began to sink, forming a crater from the mere gravity of the attack being prepared.
"Toshinori!" All For One's voice lost its playfulness, becoming a sharp, jagged command. "If you value the lives of these people, I suggest you stop looking at me and look at that!"
All Might didn't need the prompt. He was already moving, his muscles bulging to their absolute limit. "CAROLINA... SMASH!"
He lunged toward the beast, a speck of gold against a mountain of orange fire.
The atmosphere screamed. The Kamino Incident was no longer a battle between heroes and villains. It was a struggle for survival against a force that didn't belong in their world.
Chapter 2: The Weight of a God
The "Carolina Smash" was a move designed to level city blocks, a cross-shaped shockwave of such immense pressure that it could disperse clouds and shatter steel. When All Might's arms slammed into the orange fur of the beast's chest, the sound wasn't a thud. It was a tectonic crack that echoed for miles.
The shockwave from the impact sent a gale-force wind backward, tossing cars like autumn leaves. But as the dust cleared, the "Symbol of Peace" felt a chill that had nothing to do with the wind.
His arms were buried inches deep into the thick, glowing fur. He had hit the creature with everything his failing body could muster.
The beast didn't move. It didn't even rock back on its heels.
It's like hitting a sun, Toshinori thought, his teeth rattling in his skull.
The heat coming off the creature was unbearable—not the dry heat of a fire, but a dense, suffocating radiance that felt like it was boiling his very blood. Up close, the beast was even more terrifying. Its eyes were the size of garage doors, swirling with a crimson hate that felt ancient.
"Hey," All Might croaked, his voice barely a whisper against the roar of the creature's presence. "You're a big one, aren't you?"
The fox looked down. It didn't growl. It simply exhaled.
The mere breath from its nostrils hit All Might like a freight train, launching him backward through the air. He flipped, digging his heels into the asphalt to catch himself, sliding hundreds of feet until he hit the base of a fallen crane.
My arms... they're numb, Toshinori realized, looking at his trembling hands. I hit it with a strike that would have knocked out a mountain-sized Villain, and it didn't even notice I was there.
From behind the debris, Momo clutched the thermal goggles she had created. Her hands were shaking so violently she could barely hold them to her eyes. Beside her, Iida and Midoriya were paralyzed, staring at the monster that had turned their rescue mission into a nightmare.
"It's... it's not making sense," Momo whispered, her voice trembling.
"What do you mean, Yaoyorozu?" Midoriya gasped, his eyes darting between All Might and the fox.
"The energy readings," she said, looking at the small device in her hand. "The scale... it's not a Quirk. Quirks have limits. They follow biological laws of conservation of energy. But this? The amount of energy radiating from this creature... it's more than the entire power output of Japan. It's creating its own gravitational pull."
She looked up at the black-and-purple sphere forming in the fox's mouth. "If that thing fires that orb... there won't be a Kamino Ward left to save. There won't be a Yokohama."
"We have to get Bakugo," Iida said, his voice firm despite the terror. "If that thing fires, he's at ground zero!"
All For One watched the sphere of condensed energy grow. He could feel the air being sucked into the Fox's maw, the pressure dropping so rapidly that his ears popped.
I cannot steal this, he realized, and for the first time in over a century, a cold prickle of genuine fear traced his spine.
He had reached out with his sensory Quirks, trying to find the "core" of the creature, the genetic "switch" that he could flip or rip out. But there was nothing. No DNA to manipulate, no Quirk Factor to seize. It was as if he was trying to steal the wind or the concept of anger itself.
"This is no beast," All For One muttered to himself, his cape fluttering in the violent intake of air. "This is a calamity. A walking extinction event."
He turned his hand toward the beast, his fingers elongating into sharp, black-and-red tendrils. "Air Walk. Multi-Tool. Kinetic Discharge."
He fired a beam of pure concussive force, aiming for the creature's eye, hoping to disrupt its concentration. The beam struck the fox's face, exploding in a bloom of fire and smoke.
The Fox didn't flinch. It didn't even blink.
The black orb in its mouth reached the size of a truck, vibrating with a low-frequency hum that made the very buildings around them begin to disintegrate into dust.
Gran Torino arrived on the scene in a blur of speed, grabbing a dazed Endeavor who had just arrived with the backup heroes.
"Don't get close!" the old man screamed over the roaring wind. "Endeavor! Stay back!"
"What is that thing!?" Endeavor roared, his own flames looking like flickering candles compared to the Fox's aura. "Is it a Nomu? A new project from the League?"
"It's not a Nomu!" Gran Torino yelled, his eyes wide with horror as he looked at the black sphere being held in the fox's jaws. "I've fought villains for fifty years, Enji! This isn't a villain! It's a force of nature! Look at its eyes! There's no quirk factor... there's just will!"
He saw All Might preparing for another jump.
"Toshinori, no!" Gran Torino screamed. "You can't tank that! If that ball hits the ground, everything is gone!"
Bakugo was only fifty yards away from the Fox's front paw. He could see the way the ground cracked under the creature's weight—not just breaking, but turning to glass from the sheer heat of its presence.
He looked up at the black sphere. It was beautiful in a terrifying way, swirling with colors he didn't have names for. He saw his own reflection in the Fox's enormous, glowing eye.
In that eye, Bakugo didn't see a challenge. He didn't see an opponent. He saw a predator looking at a gnat.
"You think... you can just show up and act like you own the place?" Bakugo growled, his palms sparking. His voice was small, swallowed by the roar of the energy. "I'm the one... who's gonna be Number One! Not some oversized dog!"
The Fox's ear flicked. It finally seemed to notice the stinging gnats at its feet.
It tilted its head down. The black sphere, the "orb of annihilation," was pointed directly at the ground—directly at the heroes, the villains, and Bakugo.
"Dodge..." All Might's voice echoed through the ruins, a desperate, broken plea. "Everyone... RUN!"
The Fox swallowed the orb.
A split second of absolute, terrifying silence followed.
Then, the world turned white.
Chapter 3: The Silence of the Void
The explosion didn't make a sound at first. It was too powerful for the human ear to register, a vacuum of sound that pulled the oxygen right out of the lungs of everyone within a five-mile radius. Then came the light—a searing, violet-black flash that stripped the color from the world.
When the sound finally arrived, it wasn't a bang. It was the roar of the atmosphere being torn apart.
Izuku didn't see the explosion hit. He only felt the hand of Tenya Iida slamming into his shoulder, physically throwing him backward as the world turned into a furnace.
"RUN!" Iida's voice was a jagged scream, barely audible over the sudden, violent howling of the wind.
Izuku scrambled to his feet, his eyes wide and watering. He looked back for a fraction of a second. He saw the "Symbol of Peace," a small, golden speck standing defiantly against the encroaching wall of black energy. He saw the silhouette of Bakugo, reaching out, his face frozen in a mask of defiant rage. He saw All For One, the man who had ruled the underworld for decades, raised his hands as if to catch a falling star.
And then, they were gone.
The black sphere expanded and becoming white sphere, a dome of pure erasure. It didn't knock buildings down; it dissolved them. Concrete, steel, and human flesh simply ceased to exist where the light touched them.
"All Might..." Izuku's voice was a choked sob. He felt Todoroki grab his arm, the ice-user's face pale with a terror Izuku had never seen before.
"Don't look back, Midoriya!" Todoroki yelled, his voice cracking. "If we stop, we die! Run!"
They ran. They ran through the screaming streets of Yokohama, pushed by a hot, ionized wind that smelled of burnt ozone and something ancient. Behind them, a whole of the city was being replaced by a perfectly smooth, hemispherical crater.
In the mobile command center miles away, every screen went to static.
"Status! I need a status report!" Tsukauchi barked, his hands slamming onto the console.
"Satellite feed is... it's back, sir! Look!"
Tsukauchi looked. His heart stopped.
Yokohama City was gone.
It wasn't a ruin. It wasn't a battlefield. It was a hole. A massive, glowing crater roughly twenty kilometers wide had been carved into the earth. The edges were glowing orange, the rock turned to molten glass.
"The signatures..." the technician whispered, her voice trembling. "All Might... Endeavor... Best Jeanist... Mt. Lady... their signals are gone. All of them."
"What about the villains?" Tsukauchi asked, his voice hollow.
"Everything in the radius, sir. It's... there's nothing left. No heat signatures of survivors. Just... it."
In the center of the smoking, glass-lined abyss, the Fox remained. It sat perched on a pillar of earth that had somehow survived the blast, its nine tails fanned out like the petals of a demonic flower. It looked bored. It began to lick a giant paw, the movement sending ripples of displaced air across the ruins.
Aizawa was at the U.A. staff room, watching the live news feed from a drone that had been far enough away to survive the EMP.
He didn't move. He didn't blink. He watched the "Symbol of Peace" vanish into a void of black light. He watched the most powerful man he knew—the man who was supposed to be invincible—simply disappear.
"Nezu," Aizawa said, his voice terrifyingly flat. "Tell me we have a plan for something like this."
The Principal sat in his chair, his tea forgotten. For the first time in his life, the hyper-intelligent creature looked small. He looked like a frightened animal.
"We don't," Nezu whispered. "There is no Quirk in recorded history that produces that level of output. That isn't a life form, Aizawa. It's a natural disaster with a consciousness. We don't have a plan for a god falling from the sky."
Aizawa turned his gaze back to the screen. The Fox had finished cleaning itself. It stood up, its head tilting toward the horizon. Even through the grainy drone footage, Aizawa could feel those slit eyes looking through the camera, looking at the world, and finding it wanting.
"This is... this is Kaori Akamine reporting from above Yokohama," the woman sobbed, the camera shaking violently as the pilot struggled against the thermal updrafts from the crater. "We... we believe the Heroes are gone. All Might... we saw him... he didn't move. He's gone."
Below them, the Fox let out a low, rumbling growl. The sound vibrated the helicopter's chassis, nearly shaking it out of the sky.
"The creature is moving!" the reporter shrieked. "It's... it's walking! Every step it takes is... it's like an earthquake! It's heading toward another city! God help us! Is there anyone left? Is there anyone who can stop this thing!?"
The Fox didn't run. It didn't need to. It walked with a slow, predatory grace. Each step left a footprint the size of a city park. It swiped a tail casually at a nearby skyscraper that was still standing; the building shattered like thin glass, the debris falling into the maw of the beast's wake.
The five students had reached the outskirts of the blast zone. They collapsed against a brick wall in an alleyway, gasping for air. Kirishima was on his knees, his hands buried in his hair, shaking.
"Bakugo," Kirishima choked out. "He was right there. He was right there and I... I couldn't..."
"He's gone," Iida said. His voice was cold, the sound of a man who had gone into shock. "They're all gone. All Might... he didn't even stand a chance."
Midoriya looked at his hands. They were covered in soot and ash—the remains of a city. He looked up at the sky. The moon was obscured by a thick, crimson mist that seemed to be bleeding out from the Fox's location.
The "Symbol of Peace" was dead. The "Demon Lord" of Villains was dead. The heroes who were supposed to protect the future were gone.
The world had changed in a single heartbeat. The era of Quirks was over. The era of the Beast had begun.
"We have to go," Midoriya whispered, his eyes glazed with a terrifying, hollow resolve.
"Go where?" Todoroki asked, looking at the towering silhouette of the Nine-Tails in the distance. "There's nowhere to go. It's walking. It'll cover the whole country in a day."
"Somewhere," Midoriya said. "Anywhere. We have to find a way to... to understand what that thing is."
But deep down, as the roar of the Fox echoed across the shattered remains of Japan, Midoriya knew the truth. They didn't need to understand it. They needed to survive it. And looking at the devastation behind them, he wasn't sure if that was even possible.