The rotary cannons roared, spitting a hail of tungsten-tipped rounds that tore through the crystalline air of the cavern. Kael didn't flinch. He couldn't afford to. Behind him, the silver veins of the Core were tethered to the Seed Vault like umbilical cords; if he moved, the connection would snap, and the Vanguard would die in their sleep.
Kael held his left hand out, palm flat against the incoming storm. The "Domain" rippled. The bullets didn't hit him; they slammed into the invisible gravity well, slowing down until they glowed white-hot from friction, hovering inches from his skin like angry hornets.
"My turn," Kael growled.
He closed his fist. The gravitational field didn't just dissipate—it reversed. The hundreds of hovering bullets were flung back at the Centurion with twice their original velocity. The walker's front shielding disintegrated under the metal sleet, the pilot inside screaming as his sensors went dark.
But the Centurion wasn't just a machine; it was a relic of the Old War. A secondary eye—a glowing amber lens—opened on its shoulder.
"Kael, get down!" Lyra's voice cut through the din, but it was too late.
A beam of concentrated solar energy erupted from the walker. Kael threw the Core forward to intercept, creating a shield of silver mist, but the sheer force of the beam threw him backward. He skidded across the marble plaza, his jumpsuit smoking, his ribs feeling like they had been pulverized into gravel.
The Core rolled away, its light flickering dangerously.
"The... scavenger... is neutralized," the Centurion's vox-box crackled. The walker stomped forward, its massive hydraulic foot hovering over Kael's chest. "Retrieving the anomaly."
Kael coughed, blood spattering the white marble. His vision was swimming. He looked past the walker's leg toward the pyramid. Lyra was frantic, her hands blurred as she tried to force the final override.
"Do it," Kael wheezed. "Better to be a spark than a ghost."
The Core didn't just glow; it shattered. The obsidian shell burst into a thousand shards of starlight. But instead of an explosion, there was a vacuum. Every scrap of energy in the room—the heat from the laser, the electricity in the walker's joints, the very air in Kael's lungs—was sucked into the center of the plaza.
Then, the pulse hit.
A shockwave of pure, mathematical perfection rippled outward. The Centurion didn't explode; it simply ceased to be an object. Its molecules were rearranged, its steel turning into fine grey sand that fell harmlessly to the floor. The Iron-Bound soldiers were thrown back, their armor locked by a global EMP.
And then, the sound changed.
The choral hum of the pyramid grew into a thunderous roar. The vertical pods shattered simultaneously.
Ten thousand soldiers of the Vanguard stepped out into the light. They didn't look like humans; they looked like gods forged from starlight and obsidian. They didn't wait for orders. With a synchronized movement that shook the cavern, they looked toward the ceiling—toward the hole the Council had drilled into their sanctuary.
Lyra ran to Kael, sliding on her knees to reach him. His eyes were open, but the pupils were no longer black; they were swirling silver galaxies.
"Kael? Kael, talk to me!" she cried, pulling his head into her lap.
He didn't speak. He reached out, his hand trembling, and touched the air. A holographic interface—far more complex than anything the station possessed—flickered into existence.
"The... the map..." Kael whispered, his voice sounding like a thousand people speaking at once. "I can see them all. Every station. Every drone. Every heart beating in the Aegis."
One of the Vanguard, a giant with a mantle of frozen fire, stepped forward and knelt before Kael.
"The Architect has returned," the giant boomed, his voice vibrating in Kael's very marrow. "Command us."
Kael looked up at the hole in the ceiling. He could feel the High Governor's fear pulsing through the digital network of the station, miles above. The hunter had become the prey.
"The Aegis," Kael said, his silver eyes glowing with a terrifying light. "Bring it down."