Chương 48: Chapter 47: PAIN – An Unchangeable Outcome
Immortal Thunderlight [An Undead Progression Horror] · S.C SUPREME · 139 chương · ~35 phút đọc · Tạo 05/07/2026
Z-69 jolted awake. And the first thing he heard was the same voice tearing itself apart inside the smoke.
"MASTER!" The word hit his spine before his mind could understand it. His body turned. The wall of Valdora was still beneath his boots. Ash still filled the air. The sky still hung split open by violet lightning that did not behave like weather. It behaved like judgment. A young figure stood before him. Trembling. Face blurred into nothingness, as if the world refused to grant him the mercy of being remembered clearly. Only the eyes remained sharp. Only the eyes were real.
"Are you sure?" the student asked again, voice cracked raw by fear and loyalty.
"If you stay, you—" Z-69 looked down at his hand. The living hand. The old hand. The fingertips were darker than before. Violet-black had crept past the nails and into the knuckles. The veins beneath his skin looked like burned wires spreading through meat. He could feel it now. Not only see it. Feel it. Pressure inside his bones. Heat beneath his skin. A force that wanted to be used until it finished using him. His throat worked. He swallowed ash. For a moment, he did not answer. Because a thought rose inside him.
Cold. Sharp. Inevitable. If I keep choosing the same thing, it will keep ending the same way. His gaze lifted toward the breach. The corpse tide surged through it like black water forcing its way through a broken dam. Screams filled the city. Horns. Steel tearing. The dead laughing without lungs. His fingers tightened around the Heaven-Sundering Short Blade. The weapon felt familiar. Not comforting. Familiar like a scar he could not stop touching. Z-69 exhaled.
"No." The student froze. His eyes widened as if the world had finally slipped off its rails.
"No?" the young voice repeated. Z-69's voice stayed steady. But it was the kind of steady that came from forcing a tremor down into the marrow.
"This time, we retreat." The officer beside them snapped around. His face was blurred too, but shock made the shape of him clear enough.
"Commander, what—?"
"Retreat," Z-69 said again.
"Fall back to the tunnels. Now." The officer hesitated. Half a heartbeat. Then the wall shook. Something massive slammed into the western gate. The sound was so deep it did not feel like sound. It felt like a fist striking the city's heart. That made the choice easier. The officer spun and screamed into the chaos.
"RETREAT! RETREAT! FALL BACK!" A word nobody wanted to say. A word everybody understood. Because everybody wanted to live. Z-69 ran. Not because he feared death. Because dying in the same place again would mean nothing. Boots thundered down stone stairs. Bodies shoved past one another. Soldiers dragged the wounded by collars and armor straps. Someone dropped a rifle to lift a child. Someone screamed for a brother who was no longer answering. Behind them, Valdora shrieked like a living thing being skinned alive.
The tunnels swallowed them. Yellow lights flickered in long, sick rows. The air inside smelled of sweat, oil, urine, blood, and fear fermented by too many people trapped underground for too long. Refugees packed the corridor. Civilians pressed against the walls, clutching bags, children, photographs, weapons, and each other as if grip alone could stop apocalypse. When Z-69 passed, heads turned. A few recognized him, though their mouths did not dare speak his name. Not admiration. Desperation.
They looked at him like the last wall had learned to walk. Near a support pillar, a child sat with knees drawn to their chest. Dirty face. Too-calm eyes. The child stared at Z-69. One question lived in that gaze. Why are you running? Z-69 did not stop. He could not. Because the roar above became a rumble. Then a crack. Then the sound of the world collapsing in layers. Rock dust rained from the ceiling. The tunnel lights flickered. Once. Twice. Then heat arrived. A furnace breath rolled down the corridor.
The bunker door at the end rattled violently. Metal bent inward. Something enormous pressed from the other side, as if the city itself had grown a fist and decided to punch through. Someone screamed. The door buckled again. A gigantic arm forced through the opening. Not human. Bone-plated. Clawed. Its talons scraped metal with a piercing shriek that made people clamp hands over their ears. Then the corpse tide poured into the tunnel. Black water made of bodies. No formation. No strategy. Only hunger.
The refugees panicked instantly. Breathing spiked. Bodies surged. People trampled people. The tunnel became a throat choking on itself. Z-69 moved. He stepped into the choke point. The Heaven-Sundering Short Blade flashed. Violet lightning snapped through the dark. Unauthorized duplication: this tale has been taken without consent. Report sightings. Brief. Surgical. Violent. The first wave fell. But the tunnel was narrow. Too many bodies. Too many breaths. Too much fear.
The dead did not even need to be clever here. The humans were doing half the killing for them. Z-69 slashed again. A corpse's head came off and rolled between civilian feet like a kicked stone. Someone vomited. Someone screamed. The dead climbed over each other, crawling along ceiling pipes, dropping behind the panic line. Z-69 pivoted. Cut low. Knees. Ankles. Hands. Anything that bought seconds. Violet lightning flared and filled the corridor with ozone and the smell of cooked flesh. Then he felt it. The hunger.
Sharper in the tight space. Closer. A pressure behind his ribs like a second heartbeat. Not thought. Instinct. So much meat. Z-69's jaw clenched.
"No." He said it like a threat. He did not know to whom. His power. His hunger. Or the part of himself that had once found destruction simple. The dead surged again. A soldier beside him fell, screaming, bitten at the throat. Z-69 saw the man's eyes change in seconds. Hope drained. Clouded hunger replaced it. The soldier turned. And lunged at a civilian child. Z-69's blade moved before thought could moralize. The soldier's head separated cleanly. The child screamed anyway.
Because to a child, a head flying off was still a head flying off. No matter which side it had belonged to. The tunnel filled with bodies. The lights flickered. The ceiling groaned. And Z-69 felt himself slipping. Not physically. Mentally. One fraction of a beat where control loosened. One fraction where the hunger smiled. Then— White. Everything turned white. Z-69 blinked. He was back on the city wall. Ash fell like dirty snow. The student's voice screamed again.
"MASTER!" The same question came.
"Are you sure?" Z-69 stared at his hand. The violet-black had spread farther. It was always farther. The loop did not merely reset the world. It carried his damage forward. It carried the poison forward. His breath left him slowly. He understood. This was not a memory. This was a millstone. And his mind was the grain trapped beneath it. So he tried to change the ending. Again. And again. And again. He ignited the oil reserves early, turning the breach into a fire moat. The corpse tide burned. The sky turned orange.
For a few minutes, Valdora looked saved. Then the fire ate the oxygen. The evacuation tunnels became ovens. Civilians died choking in the dark while undead clawed at sealed doors from outside. White. Reset. He rigged the western gate with mines. Let the first wave in. Collapsed the breach on top of them. Thousands died beneath concrete, steel, and violet flame. The wall fell exactly where he wanted. Then the vibration woke something beneath the city. Something older. Bigger. Something that did not care about walls.
White. Reset. He led a decoy charge outside the breach, drawing the heaviest mutants away from civilians. He ran until his lungs burned. Slaughtered until his arms shook. Bought minutes. Only minutes. Valdora still fell. White. Reset. He detonated his Thunderlight from the beginning. No restraint. No discipline. No conservation. Violet lightning tore the breach open like a wound made of light. The corpse tide vaporized. For one impossible moment, there was silence. No horns. No screams. No footsteps.
Z-69 stood amid a mountain of bodies, the short blade smoking, violet arcs crawling along his forearms like living snakes. He turned slowly. Expecting proof. Wanting proof. Some sign that the city would breathe again. But Valdora was still burning. Not because of the dead. Because of him. Fire spread through the streets. Buildings collapsed. Refugees suffocated beneath rubble. Soldiers screamed under molten steel. Z-69 stared. His breath caught. Not from guilt. From realization.
Even when I win, the ending doesn't change. White. Reset. Back on the wall. The student screamed. The same question. The violet-black spread farther. Always farther. The loop did not care about heroism. It did not care about clever plans. It did not care about sacrifice. It only cared that he felt the same result. Again. Again. Again. Until meaning died. Z-69 stopped answering the student. Stopped giving elaborate orders. Stopped trying to save the city in new ways. At some point, survival became repetition.
Repetition became madness wearing muscle memory. He simply charged. Slashed. Slashed like a storm with no direction. Slashed until the Heaven-Sundering Short Blade glowed red-hot. Slashed until violet lightning sprayed like blood. Slashed until screams became background noise. Slashed until he could no longer tell who he was killing. He did not know if he was saving anyone anymore. He only knew the blade still moved. And every reset, the violet-black spread. His hands darkened. His veins burned.
His vision blurred at the edges. The student's voice became less human each time. More like a hammer striking the inside of his skull.
"MASTER! ARE YOU SURE?" The same words. Every time. And the true cruelty was this: The loop was not only showing him Valdora's fall. It was showing him that his strength—his very identity—could not create a happy ending. It could only choose the shape of tragedy. Eventually, he stopped charging. One reset, the wall shook. The breach roared. The student begged. And Z-69 simply stood there. He stared at the corpse tide. Then he laughed. Not dry. Not bitter. A full laugh. Cracked at the edges.
The laugh of a man who had finally understood that he was inside a joke written by a god that hated him.
"All right," he said, voice trembling.
"I get it." He looked down at the Heaven-Sundering Short Blade. The blade reflected firelight. It reflected his dull violet eyes. It reflected an aged face. Lined. Tired. Still terrifying. The city screamed. The dead howled. The student grabbed his arm.
"Master, what are you doing?" Z-69 did not answer. He raised the blade. Slowly. Not like a warrior preparing one final strike. Like a man removing a weight from his own neck. He turned the point inward. Toward his chest. Toward the stubborn beat of a heart that refused to stop even when the world demanded it. The student froze.
"Master… no." Z-69 inhaled. A long breath. His last breath in a body that was still alive. He pressed the blade closer. Fabric. Skin. A pinprick of pain. Not heroic. Not dramatic. Only human. And in that pinprick, the loop seemed to lean closer. Excited. As if it had been waiting for this. As if the true test had never been whether he could save Valdora. But whether Valdora could break him badly enough to make him end himself. Z-69's grip tightened. He pushed. Then— Arms wrapped around him from behind.
Not violently. Not restraining him like a guard. Just holding him. Warm. Real. A touch that did not belong to ash, blood, or this nightmare. His blade arm jerked. The point shifted. Barely. A fraction. But that fraction was the distance between death and one more breath. Z-69's eyes widened. Gentle blue light spilled over the blade, soft as water poured across heated steel. A woman's voice spoke beside his ear. Warm. Soft. Painfully familiar in a way memory refused to explain.
"It's not your fault." Z-69 went rigid. For the first time in countless resets, he could not move. Not because he was trapped. Because his body did not know how to respond to kindness. His throat worked.
"Who…" His voice scraped out.
"Who are you?" No answer. Only the arms tightening slightly. Like someone calming a wounded beast that did not know it was allowed to stop fighting. The voice whispered again. This time, it trembled with grief.
"You did everything you could." Z-69's breath caught. He hated that it did. He hated that the words pierced deeper than any claw. He tried to turn his head. His neck would not move. Not physically bound. The illusion simply refused to let him see her face. The voice continued, gentle and firm.
"Why do you always have to carry everything alone?" That sentence went straight into his ribs. Not like an accusation. Like a truth he had buried beneath centuries of violence. Because if he admitted it, he would collapse. Z-69 stared at his hands. The violet-black skin. The burned-wire veins. The proof that his power had been eating him from the inside long before he understood the word hunger. A small laugh escaped him. Quiet. Broken. Human.
"I'm already dead," he said. Not metaphorically. Not philosophically. Just tired.
"Valdora is already gone." His eyelids lowered.
"No matter what I do, I can't change it." The arms held him. The voice breathed near his ear, almost like a promise.
"Then stop trying to carry the entire sky on your back." His jaw trembled. He hated that too. He hated how badly he wanted to believe her. He hated that it felt like relief. He exhaled. And with that exhale, something loosened. Not his grip on the blade. Something deeper. A knot behind the heart.
"I accept it," he whispered. The moment those words left him, the illusion did not shatter. It changed. Like someone turned a massive mirror and forced him to look at what he had refused to see. The ash still fell. But it no longer burned. The fires still raged. But their heat became distant. The roar of battle receded, muffled as if sealed behind thick glass. The world did not reset. It continued. Z-69 opened his eyes. And saw the aftermath. Not the heroic battlefield. Not the breach. The aftermath.
Where meaning lived. A soldier knelt beside a scorched cloak on the stone, hands shaking as he touched the fabric like it might vanish if he let go. A woman held a child so tightly the child's face was buried against her shoulder, sobbing into cloth. People gathered around a patch of ash. Silent. Heads bowed. No cheering. No speeches. Only grief. And gratitude too large for words. The scene shifted. An evacuation aircraft trembled inside a storm.
Survivors sat packed together in the cabin, faces hollow, hands bruised from clawing through rubble and holding on to life too hard. The air smelled of fear, sweat, medicine, and burnt metal. A skinny teenage boy sat by the window. His face was smeared with dust. His eyes were red. Not only from crying. From biting grief down so hard it bled inside him. He stared outside. Far behind them, through breaks in the storm clouds, Valdora erupted with violet light. One final column pierced the heavens like a dying star.
The boy clenched his teeth until blood appeared at the corner of his mouth. His lips moved soundlessly. Z-69 could read them. A name. Not a title. A name spoken the way one speaks of someone who saved them without asking to be worshiped. The scene shifted again. Years later. A ruin field. A man with most of his body replaced by machinery dug through rubble like a madman. Metal arms. Glowing eye. Joints whining under strain. He dug as if he could excavate time itself. He dug until dust turned his hair white.
His mouth moved constantly. A prayer rotted into obsession.
"Where…" Dig.
"Where…" Dig.
"Where…" Z-69 watched. Something unfamiliar rose in his chest. Not pride. Not regret. A strange ache. The ache of being seen. The scene shifted again. A settlement built from scrap steel and scorched wood. Not beautiful. Not safe. But alive. Survivors worked. They reinforced walls. Dug wells. Planted trees in poisoned soil and dared them to live anyway. Children ran beneath yellow lights, laughing like the world had not ended. Because for them, the end of the world was only history.
At the settlement entrance stood a wooden post. On it, someone had carved a simple lightning bolt. No name. No statue. No worship. Just a mark. A quiet way of saying: Someone stood there. So we could stand here. Z-69 stared at the carving for a long time. His shoulders lowered. His grip on the Heaven-Sundering Short Blade loosened for the first time without pain. A breath escaped him. Not habit. Release.
"So that's it…" His voice was barely a whisper.
"My death wasn't meaningless." A small smile formed. Not victory. Not joy. The smile of someone who had finally stopped tearing himself apart for an ending that was never his to control. The arms behind him were still there. The woman's voice whispered again, so close that the warmth seemed to come from inside his ribs.
"This time, I won't let you carry everything alone again." Z-69 turned his head. Blue light flickered. A blurred silhouette appeared like lamplight reflected on water. Still no face. Still no name. Then the light dissolved into mist. The illusion shattered. Reality returned with a dry click. A switch flipping. Then machinery. Cold. Clinical. Indifferent. Z-69 jolted upright as if dragged from deep water. A helmet covered his head. Cables studded its surface, contact points pressing against his temples.
The wires fed into a massive life-support chamber, its glass clouded by fading light. He tore the helmet off. His fingers came into view. Zombie fingers. Cold. Stiff. Pale. No violet-black veins. No spreading poison. But ash still coated his tongue. He breathed out of reflex. Then remembered he did not need to. The realization twisted somewhere inside him. Not physically. Worse. The violet crystal in his chest glowed faintly. Steady. Alien. A heart that did not belong to biology. Z-69 stepped out of the chamber.
Floor Six was a vast metal hall beneath white surgical lights. Glowing lines ran across the floor in connected circles, linking chambers like a neural network. Three chambers. His chamber's light had gone out. The other two were still lit. Z-69's gaze snapped to them. Jin lay inside one chamber. His body twitched. His jaw clenched so hard his teeth looked ready to crack. Sweat poured from him as if he were burning alive in open air. Condensation streaked down the glass like claw marks. Ten lay in the other chamber.
His face was pale. His lips moved silently, trying to call a name no sound could carry. Both hands were clenched so tightly his nails dug into his palms. Both looked like they were being strangled by something invisible. Above each chamber floated a holographic screen. Z-69's screen was black. Jin's and Ten's were still running. Fragments flickered across them. A corridor. A white room. A running silhouette. A scream cut off halfway. Z-69 stood between the chambers. He did not touch the glass.
Above him, the lights flickered three times. Flicker. Flicker. Flicker. A holographic panel appeared at the center of the floor. Cold letters formed in the air. FLOOR SIX — PAIN Assessment: psychological resilience. Environment: illusion based on personal experience. Objective: overcome the illusion… Or suffer brain death. Z-69 stared at the last two words. Brain death. A death where the body remained. But the person was gone. He looked back at Jin and Ten. For a moment, Valdora flashed behind his eyes. The wall.
The ash. The question hammering endlessly. Then a quieter image followed. A lightning bolt carved into a wooden post. Not worship. Not glory. Proof. Z-69's jaw tightened. His hands clenched. Then loosened. He stayed where he was. Like a shadow. Like a guard. Like a promise that did not need words. Because in this room, words would not save anyone. Only endurance would. Somewhere in the empty space of his memory, the woman's voice echoed again. This time, I won't let you carry everything alone again.
Z-69 looked at the white lights. The cables. The two trembling bodies. He wondered who she was. He wondered what those words truly meant. But he had no answer. So he waited.
