For nineteen years, Vane was taught that he was a thermodynamic error.

  In the lower wards of Heliovar, Pyromancy was a heavily regulated science. Fire was supposed to be a strict equation: fuel plus oxygen plus the exact kinetic friction of a cultivator’s spirit veins equaled heat and light. It was predictable. It was math.

  But when Vane ignited his spirit veins, the temperature in the room plummeted. His fire wasn't red or orange; it was the color of a starless void. It didn't cast light; it devoured it. It didn't produce heat; it inflicted localized, agonizing frostbite.

  An inverted thermal paradox, the academy instructors had sneered before the Arbiters dragged him to the cages. A sin against the Mandate of the Storm.

  Vane had spent years hunching his shoulders, terrified of his own shadow, praying to the Overseers to fix his broken math.

  But as he stood in the pulverized memory-crystals of the grand plaza, watching a million tons of flawlessly calculated white marble plummet from the sky toward his head, Vane realized that math wasn't going to save them.

  "Push!" the terrifying Probability Merchant had screamed. "Give the roots your weight!"

  Above them, the Verdant Huntress’s massive ironwood canopy was groaning, bending under the apocalyptic weight of the falling Celestial Dreadnought. The friction of the crushing stone against the wood was generating massive, localized heat. The canopy was going to ignite. If the wood burned, the net would snap, and the city would be glassed.

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  Vane didn't cower. He remembered the golden light of the Sovereign’s domain. You are not errors, Kael’s voice echoed in his memory. You are the storm.

  Vane threw his hands toward the splintering canopy and finally stopped apologizing for his soul.

  He unleashed a torrential, roaring pillar of inverted black fire directly into the groaning ironwood branches.

  He didn't aim at the Dreadnought; he aimed at the friction. The pitch-black flames washed over the crushing impact zones, ravenously devouring the kinetic heat. Where normal fire would have incinerated the canopy, Vane’s paradox flash-froze the sap, hardening the wood into absolute, unyielding density. The ironwood didn't snap. It held.

  Vane screamed, his spirit veins blistering with the sheer effort of freezing the sky, until the deafening crunch of the Dreadnought finally halted.

  He collapsed to his knees in the grey dust, his chest heaving. His hands were smoking with freezing, dark mist. He looked around the plaza. The anomalies weren't looking at him with disgust or clinical calculation. They were looking at him with awe.

  Hours later, the dead Dreadnought mutated. Fed by the Sovereign’s golden light and the chaotic weight of fifty thousand souls, the pristine white marble corrupted into jagged, beautiful obsidian. The Black Zenith was born.

  When the golden tether in his chest pulsed, pulling him toward the massive black fortress hovering above the city, Vane didn't hesitate.

  He walked up the sweeping obsidian ramp and onto the bridge of the leviathan. The air smelled of ozone, fresh sap, and the thrilling scent of broken rules. When the Sovereign pointed him to the starboard artillery console, Vane placed his hands on the dark crystal.

  He felt the massive, empty chambers of the ship’s repurposed Purge Cannons. They were starving for ammunition. They were waiting for an equation.

  Vane gripped the console, inverted black fire sparking from his fingertips, linking his heartbeat to the colossal weapons of the fortress. He looked out the viewing port at the swirling, chaotic Sea of Probability, feeling the immense, terrifying weight of the Black Zenith beneath his boots.

  He wasn't a thermodynamic error anymore. He was the main battery of a Sovereign’s wrath. And he was going to burn the Heavens down.