The great hall of Harrenhal was hotter than it had any right to be. Torches burned in iron brackets along the black stone walls, their flames leaping high and throwing restless shadows across the long tables. Smoke hung near the rafters in a greasy haze. The air smelled of roasted meat, spilled wine, sweat and the sharp tang of too many perfumes. Lords and ladies packed the benches shoulder to shoulder, their silks and velvets already dark with damp. Servants moved between the tables with heavy trays, trying not to look at the high seat where the King sat.
Aerys Targaryen occupied the raised chair that had been set for him at the far end of the hall. He looked smaller than a king should. His body had grown thin and sharp, the flesh drawn tight over bone. The silver-gold hair that once shone like polished metal now hung lank and uneven past his shoulders, streaked with grey and poorly washed. His beard was patchy, more like sparse wire than the proud growth of earlier years. The nails on his fingers had grown long and yellow, curved like claws, and he kept tapping them against the arm of the chair in a restless rhythm that set nearby lords on edge. His eyes, once a clear violet, now held a constant feverish glitter. They darted from face to face, never settling for long.
He had come south for one clear reason. His son was plotting. Rhaegar thought himself clever, gathering lords under the cover of a tourney, whispering about the King's fitness to rule. Aerys knew. He always knew. The whispers reached him even in the Red Keep. So he had ridden north with his Queen and the boy Viserys and a full company of pyromancers, ready to remind every man present who still sat the Iron Throne. He would watch them all, mark the ones who smiled too long at his son, and deal with them later.
But the moment he arrived, the plots of men had been pushed aside by something far stranger.
Mammoths. Actual mammoths, armoured and walking the grounds of Harrenhal like something out of the oldest stories. Giants riding them. And smaller shapes that men swore were Children of the Forest, creatures gone from the world for thousands of years. Aerys had seen them from the high windows of the guest chambers. He had stared until his eyes watered. The sight made something hot and ugly twist in his chest. These northern savages thought they could parade lost monsters in front of the dragon and make him look small. They thought the lack of living dragons meant the Targaryens could be mocked with beasts of ice and forest.
He had wanted them dead at once. Burn the mammoths where they stood. Cut down the giants. Put the little tree-creatures to the torch so the realm would remember what happened to things that should have stayed lost. He had opened his mouth to give the order. Then the begging began. Rhaegar himself had spoken, calm and careful, saying the creatures were a wonder, not a threat, that killing them would only make the King look fearful. The Hand had added his soft, oily words. Even some of the Kingsguard had looked uneasy. In the end Aerys had snarled and agreed. Let the beasts live for now. Let the fools gawk.
They did not know what he planned instead.
He would wait for the feast. He would let the new Lord of Skagos walk forward with his gifts like every other up-jumped lord. Then, in front of every pair of eyes in the hall, he would have the man seized and burned with wildfire. A bright green lesson. Let them all see what happened to anyone who tried to humiliate the last dragon by waving forgotten monsters in his face. The thought made a thin smile stretch across Aerys's cracked lips. He could already picture the green flames climbing the man's body, the screams, the silence that would follow.
The gift-giving dragged on the way it always did. Lord after lord stepped forward, announced by some sweaty herald, and presented whatever gold or silver or rare trinket they thought would please a king. Aerys accepted them with half a mind. A golden cup from the Reach. A fine Myrish carpet from some Free City merchant who had paid a lord for the privilege. A pair of matched daggers from the Vale. He barely looked at most of them. His long nails scraped against the arms of the chair. His thoughts kept sliding back to the mammoths outside and the man who had brought them.
His mood swung without warning. One moment he felt a cold, clear rage at the northern insult. The next a kind of feverish excitement at the idea of the coming fire. Then a sudden suspicion that the entire hall was watching him too closely, waiting for him to break. He caught himself muttering under his breath more than once and forced the words back down. The lords nearest the high table kept their eyes carefully lowered.
Hours passed. The meat grew cold on the tables. Wine cups were refilled again and again. Aerys's back ached from sitting so long. His skin itched under the heavy black and red robes. He wanted it over. He wanted the northern lord standing in front of him so the green fire could begin.
Then the herald's voice rose again, louder this time.
"Lord Severus Slytherin of Skagos."
Aerys sat up straighter. The thin smile returned. At last.
The young man who walked forward was not what he expected.
He looked to be in his late teens, perhaps a year or two past twenty at most, yet he moved with a calm that older men rarely managed. His hair was pure Valyrian silver-gold, falling past his shoulders in clean waves that caught the torchlight. His eyes were a deep, clear purple, the exact shade the old histories described in the blood of Old Valyria. The face itself was almost too fine, sharp-boned and striking in a way that made ordinary men look blunt and unfinished. He wore dark armour that seemed to drink the light and give it back in soft ripples, the same strange metal Aerys had glimpsed earlier. Behind him two of his men carried a long object wrapped in black cloth.
The hall had gone quieter the moment he entered. Aerys noticed it. Every head turned. Conversations died. Even the servants slowed. The boy—no, the young man—had presence. When he stopped before the high seat and inclined his head, the movement was respectful without being weak.
Aerys's earlier plans faltered for a heartbeat. A pure-blooded Valyrian. Here. Walking out of the frozen north with mammoths and giants at his back. The thought scraped against the inside of his skull. Where had such blood come from? How had it survived?
Lord Slytherin spoke. His voice was low and steady, carrying easily across the quiet hall.
"Your Grace. I present to you a gift long thought lost to the realm."
He nodded to the two men. They stepped forward and unwrapped the cloth.
The sword that emerged made the nearest lords lean in without meaning to. The blade was dark and smoky, the familiar ripple pattern of Valyrian steel running the full length. The hilt was simple, wrapped in black leather worn smooth by old hands. Aerys knew that sword. Every Targaryen did. Dark Sister. The blade of Visenya. The blade that had been lost for generations.
The young lord unsheathed it fully and held it out, hilt first, toward the nearest Kingsguard. The white-cloaked knight took it with both hands and carried it up the steps.
Aerys barely heard the rest of the formal words. His eyes were fixed on the silver-gold hair and the purple eyes. A Valyrian. A true one. Standing in his hall after bringing monsters out of the far north. The insult of the mammoths mixed with a sudden, greedy curiosity. His mind jumped from one thought to the next without order. Burn him. Keep him. Question him. Take the blood for the line. The mood swung hard and fast, leaving him slightly breathless.
Only when the Kingsguard knelt and offered the sword did the words fully register.
Dark Sister.
Aerys's long-nailed hands trembled as he reached for it. The weight settled into his palms. The balance was perfect, the steel alive in a way common blades never were. He turned it slightly so the torchlight ran along the ripples. It was real. After all these years, it had come back.
He stood. The hall watched in complete silence now. Aerys stepped down from the raised seat, the black and red robes whispering around his thin legs. He walked slowly toward the young lord, the sword still in his hands. His eyes never left the boy's face.
When he spoke, the words came in High Valyrian, the old tongue of dragons and blood.
"Where did you find it?"
Lord Slytherin met his gaze without flinching. When he answered, the pronunciation was clean and correct, every sound shaped the way the old maesters said it should be shaped. No commoner's mangling. No half-learned accent.
"It was where it was kept," he said, "until its destiny was fulfilled."
Aerys stopped a few paces away. The sword felt heavy and light at the same time in his grip. The feverish glitter in his eyes sharpened. Around them the great hall of Harrenhal held its breath, waiting to see what the King would do next.
Before Aerys could form another word in the old tongue, the young lord spoke again.
His voice stayed low and even, yet every man and woman in the great hall seemed to lean toward it without meaning to. The torches still burned high along the black walls. The smoke still hung thick near the rafters. The smell of meat and wine and too many bodies pressed close had not changed. Yet something in the air had shifted the moment those Valyrian words left the boy's mouth.
"The Great Bastard of your House, Brynden Rivers, hid it beyond the Wall," Severus said. "He placed it there so that when the time arrived it would be given back to the Targaryen sitting the throne. Only then could the great destiny of your House be fulfilled."
Aerys stood very still. The Dark Sister rested in his long-nailed hands. The weight of the blade felt suddenly heavier and more right at the same time. He listened the way a starving man listens to the sound of bread being broken. The feverish glitter in his eyes sharpened. His cracked lips parted slightly. The boy knew. The words settled into the hollow places inside him that no one else had ever touched.
Servants in dark clothing moved forward from the edge of the hall. Between them they carried a large chest bound in black iron. The wood looked old and stained. They set it down on the stone floor a few paces from the high seat with a dull, heavy clang that echoed farther than it should have. Several lords near the front flinched at the sound.
Severus continued as if the interruption had been planned.
"When the Doom came and your line alone survived to fulfill what had been written, many obstacles rose against you. The Dance of the Dragons. The Blackfyre rebellions. Betrayals from within and without. Yet none of them managed to wipe out what fate itself had deemed necessary."
Aerys felt something warm and almost gentle move through his chest. The boy understood. He truly understood. All those years of whispers and knives and fire, all the long nights spent staring at the maps of the realm and wondering why the gods had let him live through Duskendale when so many others had died, all of it suddenly made a sharper kind of sense. He had always known, deep in the fevered part of his mind, that the Targaryens had been chosen. That the blood of the dragon had been kept alive for a reason larger than thrones or gold or the opinions of lesser men. Now this silver-haired youth stood in front of him and spoke the truth aloud as if it were the simplest fact in the world.
Aerys looked at him with something close to affection. The feeling surprised him. It had been a long time since any face had stirred that particular warmth. Only a true Valyrian could recognize another. Not the watered-down blood that had mixed with Dornish whores and common stock. Those people never understood. They never would.
Severus's purple eyes stayed steady on the King's face.
"These people do not know what you are destined for," he said. "They do not know the danger they live in every day. But the Conqueror knew. He passed that knowledge through your line, generation after generation, waiting for the moment when it would be needed again. It is time, Your Grace. With Dark Sister returned to your hands, your rule will decide whether the living survive what is coming. Allow me, Your Grace. Allow me to show these unaware fools why the dragon must rule above them all."
Aerys nodded. The motion was quick, almost eager. A thin, shaky laugh escaped him before he could stop it. Excitement flooded through his thin body so strongly that his hands trembled around the hilt of the sword. Yes. Show them. Let every soft southern lord and every thick-headed northerner see why the blood of Old Valyria still mattered.
The servants stepped back from the chest. Severus moved closer to it. His dark armour caught the torchlight in those strange rippling patterns again.
"When the stars told me the hour had come," he said, his voice still calm, "I left Sothoryos. My family had been destroyed by plagues and the slow grinding of time. I was the last of my line. I came north and bought a lordship from your loyal Lord Stark. I told him of the suspicions the stars had given me. Together we searched. What we found confirmed everything. The enemy of every living man still waits beyond the Wall. It watches. It hunts. Men are its prey. Even the sworn brothers of the Night's Watch are not safe from its reach. It became my duty to bring this knowledge to you, Your Grace. My words will end the festive mood of this tourney. I know that. Yet the news must be shared with the realm. There has not been so large a gathering of lords in many years. This is the perfect moment for them to see the enemy they all believed had vanished eight thousand years ago. It is our duty to them."
He opened the chest.
For a moment nothing happened. Then a skeletal shape began to rise from the dark interior. The thing that climbed out was half-rotted, the flesh grey and peeling in places, the bones visible through torn clothing that might once have belonged to a man of the Night's Watch. Its eyes were open and faintly blue. One arm hung at an unnatural angle. The other pushed against the rim of the chest as it pulled itself upright with jerky, unnatural strength.
Shouts erupted across the hall. Women screamed. Men cursed and reached for swords that the Kingsguard had already forced them to leave at the doors. Chairs scraped hard against stone. Several lords near the front stumbled backward. The Kingsguard around Aerys tightened their circle at once, white cloaks shifting, hands on the hilts of their own blades.
Aerys's eyes went wide. His mouth opened. The feverish colour in his face drained for a moment, leaving him almost grey. The thing in front of him was dead. Anyone could see that. Yet it moved. It stood. It turned its rotting head as if it could still see.
Severus stepped forward without haste. In one clean motion he brought a short blade across the wight's wrist. The half-rotted hand came free and dropped to the stone floor a few feet from Aerys's boots. The fingers kept twitching. They curled and uncurled as if the hand still tried to grasp something that was no longer there.
"Behold the wights," Severus said, raising his voice just enough to cut through the noise. "Creations of the Others. Mankind believed they perished eight thousand years ago in the Great War. They were wrong. The creatures still linger. They grow stronger with every passing winter. The Great War is upon us again. Cut them apart and the pieces still live."
He bent and picked up the severed hand by the wrist. The fingers continued their slow, mindless movement in the air. A collective sound of horror and disgust rolled through the hall.
"Fire is the only thing that seems to kill them."
One of his servants stepped forward with a lit torch. Severus took it and lowered the flame to the main body of the wight still standing beside the open chest. The dry flesh caught at once. Blue eyes flared brighter for a second before the fire swallowed them. The smell that rose was thick and foul, like meat left too long in the sun mixed with something colder and older. The wight thrashed against the chains that had held it inside the chest, but the fire climbed steadily.
Aerys watched the flames. The first jolt of fear that had frozen him began to change. The green of wildfire had always pleased him, but this ordinary orange fire eating the dead thing held a different kind of beauty. His eyes, wide with shock only moments before, now glittered with a rising delight. The heat from the burning corpse reached his face. He did not step back.
Around Lord Slytherin the Kingsguard and several of Aerys's own men had drawn steel. Their faces were hard. One word from the King and the silver-haired youth would die where he stood. Aerys saw them. He saw the tension in their shoulders and the way their eyes kept flicking between the burning wight and the young lord who had brought it into the hall.
The Others. Another Great War for the survival of every living soul. And his role, the role of the dragon, was to lead them through it. The thought struck him with the force of a physical blow. All the years of suspicion and isolation, all the long nights of muttering to himself about plots and destinies, suddenly arranged themselves into a single clear picture. He had lived through Duskendale for this. He had kept the blood pure for this. The boy had brought him the proof and the sword in the same hour.
A sound started in Aerys's throat. It began as a low, breathless chuckle and grew quickly into full, cracked cackling that echoed off the black stone walls. Lords and ladies stared. Even the Kingsguard glanced at one another in confusion.
"No one shall lay weapons against Lord Slytherin!" Aerys shouted. His voice was high and raw. "Do you hear me? Sheathe your steel!"
The white cloaks hesitated, then slowly obeyed. The ordinary guards followed more reluctantly.
Aerys stepped closer to the burning wight. The chains still held what remained of the body upright while the fire did its work. He raised Dark Sister in both hands. The Valyrian steel caught the light of the flames. With a sudden, almost joyful swing he brought the blade down and cut the thrashing corpse cleanly in two. The pieces fell apart, still burning, still twitching in their final death.
He lifted the sword high above his head so that every eye in the hall could see it. Green and orange light played along the rippled steel. His thin chest heaved. Spittle shone at the corners of his mouth.
"Behold the might of the dragons!" he yelled, voice rising toward a scream. "Behold what the blood of Old Valyria still commands!"
The wight's remains continued to burn and twitch on the stone floor. The smell of it filled the great hall of Harrenhal. And Aerys Targaryen, last dragon, stood over the fire with Dark Sister raised, laughing in a way that made many of the watching lords look away.