The stairs were a blur of gold-flecked marble and ancient dust. Every step we took sent a vibration through the collar, a reminder that the vacuum was coming. The air was already thinning, growing sharp and cold.
"Slow down," Julian commanded, though his own pace was frantic. He pulled me into a small alcove just as a wave of pressurized air hissed above us. The "Phase Two" vacuum had begun to bleed the oxygen from the upper levels.
We were pressed chest-to-chest in the tight space. I could feel the frantic thrum of his heart against mine, a stark contrast to his usual icy exterior. His scent—rain and that intoxicating sandalwood—was thick in the tiny pocket of air we shared.
"The collar," he muttered, his voice strained. "It's reacting to your heart rate. If you don't calm down, the seal will shatter before we reach the bottom, and the pressure difference will liquefy your lungs."
"Hard to be calm when you're a human oxygen tank," I retorted, though I didn't pull away. I couldn't. His darkness was the only thing keeping the encroaching vacuum from crushing us.
Julian's eyes dropped to my lips for a fraction of a second, a flicker of raw, human hunger breaking through his professional mask. He reached up, his thumb brushing the skin just above the collar. His touch wasn't cold anymore; it was electric.
"Focus on me, Elara," he whispered, his face inches from mine. "Not the fire. Not the Board. Just the rhythm of my breath."
I blinked, my defiance momentarily melting. For all his talk of contracts and debts, there was a protective ferocity in his gaze that didn't feel like business.
The sound of a heavy, wet thud echoed from the stairs below.
"The Chimera," Julian hissed, the moment breaking. He drew me out of the alcove. "It's already awake."
We reached the bottom of the stairs, bursting into a massive circular chamber. In the center stood a cage of shimmering golden bars, but it wasn't empty. It held a creature that defied biology—a lion's frame with wings of translucent bone and a tail that ended in a stinger dripping with glowing kinetic fluid.
The Chimera wasn't just a beast; it was a bio-engineered battery.
"It's guarding the final seal," Julian said, his shadow aura flaring. "The Board uses its kinetic output to keep the Vault doors locked. We don't just need to kill it—we need to drain it."
The creature roared, a sound that cracked the golden marble floor. It leaped, its wings beating back the thinning air, creating a localized hurricane of kinetic force.
"You handle the wings," Julian yelled, throwing himself toward the beast's flank. "I'll go for the core!"
I didn't wait. I leaned into the binding, feeling the violet light of the collar pulse in sync with my blood. I didn't just throw fire this time; I shaped it. I channeled the heat into two lances of pure white light.
I leaped into the air, the fire in my veins making me feel weightless. I crossed the lances over the Chimera's wings. The smell of burning ozone and scorched fur filled the room as the translucent bone began to melt.
The beast shrieked, falling from the air.
Julian was a blur of black smoke. He appeared beneath the creature, his obsidian blade glowing with the stolen orange light of our previous bond. He drove the sword into the Chimera's chest, but the beast was fast. Its stinger whipped around, piercing Julian's shoulder.
"Julian!" I screamed.
He didn't flinch. He gripped the stinger with his bare hand, his darkness traveling up the creature's tail, turning the glowing fluid to black sludge.
"Now, Elara! The core!"
I landed next to him, grabbing his hand. The contact sent a shock through my system—a mix of agonizing heat and soothing cold. Together, we shoved our combined energy into the hilt of the blade.
The Chimera didn't explode. It imploded.
The kinetic energy was sucked into the blade, then through Julian, and finally into me. I felt the power of a thousand suns rushing into my chest. The golden cage around us shattered, the bars dissolving into fine mist.
As the beast turned to ash, the back wall of the chamber began to groan. A massive, circular door, etched with the Valerius family crest, started to rotate.
Julian fell to one knee, gasping. His shoulder was bleeding black, the stinger's venom working quickly.
"Julian, hey—stay with me." I knelt beside him, my hands shaking. The vacuum alarm was screaming now, a red light flashing throughout the room. The air was almost gone.
He looked up at me, a faint, bloody smirk on his lips. "The door is open... Elara. Go."
"I'm not leaving you to die in a vacuum," I said, my voice thick with a sudden, terrifying protective streak. I grabbed the collar at my neck. "You said this binds our souls, right? Then use my fire to burn the venom out."
"It will kill me," he wheezed.
"Trust me," I whispered, mimicking his earlier words.
I pressed my lips to his, not in a kiss of passion, but as a conduit. I pushed a controlled, searing thread of fire directly into his system. Julian's body arched, his eyes flying open as my heat collided with his darkness.
For a second, the world went white.
When my vision cleared, Julian was breathing, the black veins on his neck receding. He looked at me, dazed and more vulnerable than I'd ever seen him.
"You're insane," he breathed.
"I'm a Valerius," I countered, helping him stand. "Now move. The Vault is waiting."
We stepped through the heavy door just as the chamber behind us became a total vacuum. We were inside the Vault, but it wasn't a room filled with gold or documents.
It was a garden. A garden of glowing, crystalline plants surrounding a single glass pod in the center. Inside the pod sat a man with white hair, his eyes wide open and glowing with a terrifying, golden light.
My father.
But he wasn't alone. Standing over the pod was my uncle, holding a remote detonator.
"Took you long enough," my uncle smiled. "I've already started the upload. In sixty seconds, your father's mind will be the Board's new operating system."