The Grand Exarch did not move with the lightness of the wind. He stayed anchored in the air, his weight pressing against the atmospheric density like a stone submerged in heavy oil. His voice was a dry rasp, the sound of two pieces of flint rubbing together in a drafty room.
"Young man," he said. The words were heavy, carrying the stale breath of someone who had lived too long in the damp dark of the Root.
Renji didn't answer. He couldn't. His jaw was tight, the muscles corded like rusted cable. He leaned his head to the left, a sharp, metallic tang filling his mouth. He spat. A glob of dark, viscous fluid fell through the empty air, hitting the distant rocks below with a wet, insignificant sound. His side throbbed. Every breath felt like a serrated blade was being dragged across his lower ribs where the Exarch's initial strike had landed. He stared at the demon, his vision blurring at the edges, his focus narrowing down to the grease-stained silk of the Exarch's robes.
The system was a dead weight in the back of his mind. Silent. Then, the blue interface didn't just appear; it fractured into his vision, the light of the windows burning his retinas, making him squint against the sudden, intrusive glare.
* WARNING: ATMOSPHERIC DENSITY CRITICAL.
* ENTITY IDENTIFIED: KAGUYA-NO-OROCHI (GRAND EXARCH OF THE ROOT).
* THREAT LEVEL: TERMINAL.
* HOST MANA CAPACITY: 14% AND DROPPING.
* SYSTEM NOTE: PHYSICAL REJECTION IMMINENT. THE VESSEL IS CRACKING.
Renji ignored the text. He watched the Exarch's fingers—long, yellowed things that twitched with a restless, nervous energy.
Malakor broke the silence. The King of the Third Leaf scrambled into the air, his flight clumsy, his wings beating a frantic, uneven rhythm that kicked up the smell of wet sulfur. He positioned himself between the two, his hands raised in a pathetic, placating gesture.
"Dad, stop. Stop!" Malakor's voice was high-pitched, cracking with a desperate, defensive posturing. He turned his head toward Renji, his eyes darting back and forth, looking for a way to lie his way out of the pressure. "He's not our enemy. Think, Father. He's the key. He can get us what we want from the Sixth Leaf. He's a tool. A noble tool."
Renji's mouth twisted. It wasn't a smile of joy. It was a slight, cold twitch of the left corner of his lips. He watched Malakor's sweating brow, the way the demon's scales were flaking off in waxy clumps. He knew what Malakor was doing—selling him like a piece of livestock to buy another day of breathing.
The Exarch drifted forward. He didn't fly; he lurched through the air. He reached out and placed a hand on Renji's shoulder. The grip was a violent squeeze, the long nails digging through the celestial fabric and into the muscle. Renji felt the bruise forming instantly, a dull, deep heat that radiated down to his elbow. The old demon was smiling, but his eyes stayed dead, yellowed and flat like a goat's.
"Old man," Renji said.
His voice was a low, guttural vibration. He didn't pull away. He raised his own palm and placed it over the Exarch's yellowed hand. The skin of the demon was cold, feeling like damp leather left in a cellar. Renji gripped the wrist.
He didn't use a technique. He used the raw, grinding leverage of his new vessel's skeletal structure. He twisted.
The sound was a series of sharp, sickening pops—the sound of cartilage being forced out of its socket and small bones in the carpal tunnel snapping like dry twigs. The Exarch's face didn't change, but his breath hitched, a wet, whistling sound in his throat. He yanked his hand back, the movement frantic. He drifted backward five paces, staring at his own hand as it hung limp and crooked at the wrist.
"You think I'm an ant?" Renji rasped. He started walking. Each step on the invisible air left a jagged, dark green heat behind his boot, a residue of mana so concentrated it smelled like singed hair. "An ant trapped in your little dirt-pile territory? Remember this, when your lungs stop working. Today, the ant turns the table. Today, I break the legs off the chair you're sitting on."
The green heat didn't "flicker." It was a heavy, suffocating flame that clung to Renji's skin, bubbling the sweat on his forehead. He lunged.
It wasn't a clean strike. He swung a heavy, flat-footed blow that caught the Exarch in the forearm. The demon parried, but the force of the collision sent a jarring vibration through both of them. Renji felt his own knuckles crack against the demon's dense, bone-like skin. He didn't stop. He drove a knee into the Exarch's gut, feeling the wet give of the larva-silk and the hard resistance of the muscle beneath.
The Exarch fought back with a desperate, ugly efficiency. He drove a thumb into the wound on Renji's side, digging for the rib. Renji roared, a sound of pure, unadulterated physical agony. He grabbed the Exarch's hair and slammed his forehead into the demon's nose.
The sound was a dull thud, followed by the spray of thick, dark fluid. They tumbled through the sky, a chaotic mess of limbs and tearing fabric. They weren't "dancing." They were two animals in a pit, gouging for eyes and crushing windpipes.
Renji felt the oxygen leaving his lungs. The atmospheric pressure was a weight on his chest, making every heartbeat a struggle. He bit down on his own tongue to keep from fainting, the taste of salt and iron filling his mouth. He caught the Exarch's throat in a clumsy chokehold. The demon's skin was slick with grease and blood, making it hard to hold.
With a final, agonizing surge of mana that made the veins in Renji's neck look like they were going to burst, he drove his palm into the center of the Exarch's chest.
He didn't use a spell. He used a localized burst of pressure.
The Exarch's sternum didn't just break; it collapsed inward with a sound like a heavy boot crushing a wooden crate. The demon was sent plummeting. He didn't fall gracefully. He hit the bone-powdered ground of the dimension with a sickening thud, his body bouncing once before sliding through the gray dust.
Renji landed beside him. His legs buckled, his knees hitting the dirt hard enough to draw blood. He crawled. His vision was a hazy, gray blur. He reached the Exarch, who was lying in a pool of his own dark, oily fluids. The demon's chest was a jagged ruin, his breath coming in thin, bubbly spurts.
Renji didn't say a word. He extended his hand, his fingers trembling with exhaustion. He pressed his palm against the Exarch's forehead.
The absorption wasn't a glow. It was a violent, parasitic event. Renji felt the Exarch's soul energy—a cold, slimy substance—being dragged through his own pores. It felt like swallowing a handful of freezing mud. He gagged, his body shaking with a violent tremor as the stolen power forced its way into his meridians. The Exarch's body didn't vanish; it withered, the skin turning to gray ash, the eyes sinking into the skull until there was nothing left but a pile of dry, salt-stained rags.
A zigzag of space began to tear open behind Renji. It wasn't a clean portal. It was a jagged, raw wound in the dimension, the edges crackling with a wild, erratic white light that made his teeth ache. It smelled of burnt copper and ozone.
Malakor was watching from the rocks. He wasn't King anymore. He was a terrified animal. He tried to run, but the air around him had solidified.
As Renji turned toward the portal, he looked back at the Citadel. Malakor was no longer on the ground. He was hanging from the black stone wall of his own palace, bound in heavy, black iron chains that bit into his scales. A thick, leather gag was forced into his mouth, his screams coming out as muffled, wet grunts.
Below him, the entire army of the Third Leaf—the thousands of demons who had stood proud an hour ago—were nothing but heaps of smoldering ash and broken bone. The silence of the dimension was absolute, broken only by the crackle of the erratic light from the portal.
Renji wiped the blood from his chin with the back of his hand. He didn't look back again. He stepped into the zigzag of white light, his body heavy with the weight of a dead man's soul.