The moon was calling.
I felt it every night now. Not just during the Red Shift—constantly. A pull behind my eyes. A hum in my scar. The seven gates I'd tuned on Earth were anchors, weighing me to the planet, but the moon was the source. The Beast's heart. The place where Vera had been fighting for twelve years. The place where the Architects had built their greatest prison.
And it was time to go there.
Lena and Aria worked for three months on the ship. They converted an old Helios military transport—a hulk Sargo had found in a salvage yard outside the Denver ruins—into something that could reach lunar orbit. The hull was reinforced with crystalline plating tuned to the gates' frequencies. The engines were modified to run on Lunacy instead of conventional fuel. The life support was a patchwork of Aria's technology and Lena's stubborn ingenuity.
"It'll hold," Lena said, slapping the hull. "Probably."
"Probably?"
"Nothing's certain when you're flying to an ancient alien prison on a salvaged military transport powered by cosmic beast energy." She smiled. It was tired but genuine. "But I've run the simulations a hundred times. The Lunacy shielding should protect us from the Primeval's direct influence. The gates you carry will act as stabilizers. As long as we don't try to land directly on Tartarus itself, we should be fine."
"Should be," Rook muttered. "My favorite words."
The plan was simple. Approach the moon from the far side, away from the Tartarus crater. Land near one of the Architect facilities the hybrid had identified—a monitoring station, long abandoned, but still structurally sound. Use it as a base. Find a way to reach Vera. Find a way to communicate with the Primeval without being overwhelmed.
Simple. In theory.
The night before launch, I found Mira on the roof of the town hall, staring at the moon.
She was nine now. Taller. Sharper. She'd started training with Rook's old combat drills—nothing involving Lunacy, just survival. She could field-strip a rifle faster than Sargo. She could run a mile without breaking a sweat. She was becoming something. Not a Stalker. Something else. A survivor forged in the shadow of monsters.
"You're leaving tomorrow." She didn't look at me.
"Yeah."
"Are you coming back?"
I sat beside her. The moon was full tonight—pale and silver, not bleeding. The Red Shift was quiet. Waiting.
"I'm planning to. But I can't promise. You know that."
She nodded. She'd learned early that promises were weight. Her father had promised to come back. He hadn't. I'd promised to protect her. So far, I had. But she understood that some promises were bigger than any one person could guarantee.
"If you don't come back," she said slowly, "Rook will take care of me. And Sargo. And Torin. And Vex. And Lena." She listed them like she'd rehearsed it. "And Ash. Even though he's weird."
"Ash is definitely weird."
"The good kind of weird." She finally looked at me. Her dark eyes were serious. "I'll be okay. If you don't come back. I want you to know that. So you don't worry about me. You need to focus on what you're doing up there."
My throat tightened. She was nine. She shouldn't have to think like this. But this was the world we'd given her. The world she was learning to survive.
"I know you'll be okay. You're the toughest person in Silverton."
"Tougher than Rook?"
"Don't tell her I said this, but... yeah. Probably."
Mira smiled. It was small but real. She leaned against my shoulder, and we watched the moon together.
"Bring Vera home," she said quietly. "She's been up there too long."
"I will."
We sat in silence until the moon began its descent toward the mountains. Then Mira stood, stretched, and headed for the stairs.
"Cade?"
"Yeah?"
"If you see my dad up there—I mean, if there's anything left of him, in the Beast or whatever—tell him I'm okay. Tell him I'm not mad he didn't come back. Tell him..." She paused. "Tell him I understand."
She disappeared down the stairs before I could answer.
I sat alone on the roof, looking at the moon, carrying the weight of seven gates and a nine-year-old's forgiveness.
We launched at dawn.
The transport—Lena had named it the Den Mother, after Vera's old callsign—rose from the valley on a column of silver fire. The Lunacy engines hummed at a frequency that made my teeth ache. Through the viewport, Silverton shrank to a cluster of dots, then a memory, then nothing.
Earth filled the sky behind us. Blue and white and brown. Alive. Worth fighting for.
Ahead, the moon. Pale. Silent. Waiting.
The flight took six hours. We spent them in tense silence. Rook checked her gear a dozen times. Vex sharpened her claws. Torin reviewed the facility schematics the hybrid had provided. Ash sat motionless, gray eyes closed, communing with the dark.
Lena and I sat in the cockpit, watching the moon grow larger.
"The Architect facility is on the far side," she said. "Near a crater called Daedalus. The hybrid's data suggests it was a monitoring station—part of the original prison construction. It should have atmosphere. Power. Maybe even functional systems, if we're lucky."
"And if we're not lucky?"
"Then it's a frozen ruin full of dead Architects and we figure something else out." She glanced at me. "How are you feeling? The gates—are they stable?"
I closed my eyes. Reached inward. The seven gates were there—the slow thoughts of Yellowstone, the playful light of Toronto, the patient hunger of Florida, the Mirror's watchful presence, and the others. They were quiet. Waiting. They knew where we were going.
"Stable. They want to see the moon. The Beast's heart. They've been cut off from it for so long."
"They're not going to... try to merge with it? Take over?"
"I don't think so. They're part of me now. Or I'm part of them. The boundaries are blurry, but they're not hostile. They're curious. They want to understand what the Beast became after the Architects broke it."
Lena was quiet for a moment. "That's either incredibly reassuring or deeply terrifying. I can't decide which."
"Welcome to my life."
The far side of the moon was a wasteland.
Crater after crater. Gray dust and ancient rock. No Earth in the sky—just endless stars and the black void of space. It was the most alone I'd ever felt. And the most watched. The Primeval was close. I could feel it—a vast, sleeping presence beneath the lunar crust. Not in the facility. Deeper. In Tartarus. In the heart of the moon.
The Den Mother settled onto a flat expanse near the Daedalus crater rim. The facility was visible a hundred yards away—a low, dark structure half-buried in regolith. Architect design. Smooth black stone. No lights. No movement. Dead, or pretending to be.
We suited up. Lena's new Lunacy regulators were built into the suits—they'd protect us from the Primeval's direct influence, at least for a while. The air was thin but breathable, recycled through crystalline filters.
The facility's entrance was a hexagonal door, ten feet tall. It opened when I touched it. The Architects had keyed their structures to the Beast's essence. And I carried more of that essence than anyone since Vera.
Inside was darkness. Cold. Silence.
Lena's lights flickered on, illuminating a corridor that stretched into the depths. Architect symbols covered the walls—worn, ancient, but still legible to something in my blood. The hybrid's knowledge, maybe. Or the Beast's memories, bleeding through.
Monitoring Station. Tartarus Sector Seven. Authorized Personnel Only.
"This way." I led them deeper.
The corridor opened into a vast chamber. Control panels ringed the walls—dark screens, dead consoles, dust-covered and silent. But at the center of the room, hovering in a column of faint silver light, was a holographic display. Still active. Still watching.
It showed Tartarus.
The crater was massive—a wound in the lunar surface, hundreds of miles across. At its center, barely visible through the holographic haze, was the chain. The real chain. Not fragments. Not pieces. The original prison. A spiral of dark crystal and silver light, wrapped around something vast and dark and breathing.
The Primeval.
It was beautiful. And terrifying. And it was aware of us.
The holographic display flickered. A voice emerged from the consoles—ancient, synthesized, degraded by millennia of isolation.
...silver-eyed signature detected... Vera Thorne... status unknown... Tartarus access... restricted...
"Vera's still alive," I breathed. "The system doesn't know her status. That means she's somewhere it can't scan. Somewhere inside Tartarus itself."
"Can you reach her?" Rook asked.
I looked at the holographic chain. At the vast, breathing darkness wrapped inside it. The Primeval was awake. Watching. Waiting.
"I can try."
I placed my hand on the control panel. Let the gates' essence flow. The Beast's power, channeled through me, into the ancient Architect systems.
The holographic display shifted. A new image appeared—a figure, human, female, silver-eyed. Vera. She was standing in a cavern of black stone, surrounded by crystalline growths that pulsed with the Primeval's light. She was older than in the visions. Tired. But her silver eyes were still bright. Still fighting.
She looked up. As if she could see me.
"Took you long enough, nephew."
Her voice was faint. Distorted. But real.
"I'm in the Deep Chamber. Below the chain. The Primeval's been keeping me alive. Teaching me. Preparing me. But I can't reach the core alone. The Architects built Tartarus to require two silver-eyes to fully open. Two Thorns. They knew one might fail. Might die. So they made it a pair. A lock and key."
She smiled. Tired. Hopeful.
"You're the key, Cade. I'm the lock. Together, we can open the prison. Not break it—transform* it. Make it something new. Something the Architects never intended."*
The image flickered. Began to fade.
"Come find me. The Primeval will guide you. It's been waiting for this moment for twelve years."
The holograph died.
Silence filled the chamber.
Rook spoke first. "A lock and key. Two silver-eyes. The Architects really didn't want anyone freeing the Beast alone."
"They were afraid," Ash said quietly. "Fear makes people build redundancies. Fail-safes. They wanted to make sure that even if one silver-eyed Thorne reached Tartarus, they couldn't do anything without another. And silver-eyes are rare. Two in the same bloodline, in the same century? Almost impossible."
"Almost." I looked at the dark passage leading deeper into the facility. Toward Tartarus. Toward Vera. "But here we are."
I turned to my Pack.
"I'm going down there. Into Tartarus. To find Vera. To open the prison." I met each of their eyes. "I won't order anyone to follow. This is beyond anything we've faced. The Primeval's presence down there—it'll be overwhelming. Even with the regulators. Even with the gates. I don't know if I'll come back."
Rook stepped forward. "You're not doing this alone. I told you that on Earth. I meant it."
Vex nodded. "I owe Vera a debt. This pays it."
Torin straightened. "I've come this far. I'm not stopping now."
Lena was already checking her equipment. "Someone has to keep you alive long enough to reach her. Might as well be me."
Ash spoke last. "The dark wants to see the Beast's heart. It's been dreaming of this place for millennia. I'm going."
I looked at them. My Pack. My family. The people who'd chosen to follow a salvage rat with silver eyes into the heart of an ancient prison.
"Okay. Together, then."
We descended into the darkness.
The tunnels beneath the facility were Architect-made. Smooth black stone. Silver veins pulsing in the walls. The deeper we went, the stronger the Primeval's presence became. A pressure in my skull. A hum in my blood. The seven gates stirred, recognizing the source of their scattered essence.
Home.
The word rose unbidden. Not my thought. Theirs. The gates wanted to return to the Beast. To be whole again.
Not yet, I told them. We find Vera first. Then we decide.
They subsided. Patient. They'd waited millennia. They could wait a little longer.
The tunnel opened into a vast cavern. And there, suspended in a web of crystalline growths, was Vera Thorne.
She was thinner than in the visions. Older. Her silver hair was long and tangled. Her clothes were rags. But her silver eyes blazed when she saw me.
"You came."
"I said I would."
She smiled. It was tired and fierce and exactly like my own.
"Then let's finish what the Architects started. Let's wake the Beast. And show them what happens when you build a prison out of something that was never meant to be caged."
She extended her hand.
I took it.
The cavern screamed.
Silver light erupted from every surface. The crystalline growths shattered. The web holding Vera dissolved. And beneath us, far below, something vast and ancient began to stir.
The Primeval was waking.