Ren couldn’t sleep.

He lay in his sleeping bag at the edge of camp, eyes closed, body exhausted from the breakthrough, listening to the Beetle hum inside his Spatial Storage. It hadn’t stopped since the Sprout formed. If anything, it was getting louder — a steady, deep vibration that pulsed through his storage space and pressed against his awareness like someone knocking on a door from the inside.

The two laws sealed inside the crystallized Beetle — Life and Death — were resonating with his new Sprout core. They could feel it. The upgraded seed, the denser roots, the stronger channels. Something about the Sprout evolution had made his foundation compatible with the Beetle in a way it hadn’t been before, and the laws inside were reaching toward that compatibility with growing urgency.

The knocking was getting harder.

— • —

Around midnight, when the camp was quiet and the fire had burned to coals, Ren gave up. He slipped out of his sleeping bag, walked past the ward perimeter to the same clearing he’d used for the breakthrough, and sat down.

He pulled up the System.

SCAN — Internal Assessment.

Target: Life-and-Death Beetle (Spatial Storage).

Status: Active resonance with host’s Sprout-stage core. The Beetle’s crystallized laws are attempting to bond with the new Sprout structure.

Resonance intensity: Increasing.

Current compatibility: 96%.

Integration window: OPEN. The Sprout core’s formation process has created temporary structural flexibility in the root network. This flexibility allows external law-carriers to merge with the core during the early stabilization phase.

Window duration: Approximately 48-72 hours from breakthrough. After stabilization completes, the window closes and integration becomes significantly more difficult.

Forty-eight to seventy-two hours. The breakthrough had happened about four hours ago. That gave him two to three days before the window closed and the opportunity was gone — possibly forever.

He pulled up OPTIMIZE.

OPTIMIZE.

Query: Beetle integration — full briefing.

Process: The crystallized Life-and-Death Beetle must be brought into direct contact with the Sprout core through the root network. The two sealed laws will attempt to merge with the core’s foundation. This is an irreversible process. Once begun, it cannot be stopped.

Expected outcome (success): The laws of Life and Death become permanent components of the host’s foundation. This grants enhanced regeneration (Life), enhanced destructive potential (Death), and a dual-law foundation that is extraordinarily rare at any stage. The host’s cultivation will carry both laws forward through all future stages.

Expected outcome (failure): Foundation damage. Severity ranges from minor setback to permanent cultivation impairment.

Failure probability at current compatibility (96%): Less than 4%.

Risk assessment: The integration will be physically intense. Pain is expected. Energy expenditure will be extreme. The host should be at full reserves and in a stable environment. Recommend proceeding within the next 24 hours for optimal conditions.

Advisory: The host’s plant spirit (Kaia) may react strongly during integration. Monitor carefully.

— • —

Ren read it twice and let it sink in.

Irreversible. Physically intense. Pain expected. Less than four percent failure chance. And if it worked, he would carry the laws of Life and Death as part of his foundation for the rest of his cultivation career.

The Life-and-Death Beetle — pulled from a dead realm at Stage 1, stuffed into Spatial Storage, carried through weeks of training and field combat — was about to become part of him. Permanently.

’Four percent chance of failure,’ he thought. ’I’ve had worse odds. The Hollowroot Realm was probably fifty-fifty on whether I made it out at all.’

The practical part of his brain — the part that had kept him alive through two lives, a dead realm, and a Corruption Zone full of mutated predators — ran through the logistics. Full reserves meant a proper cultivation session first. Stable environment meant the outer zone, which was close enough. Privacy meant right now.

He needed to do it before the window closed.

— • —

Kaia stirred inside the Sprout. She’d been quiet since the breakthrough — settled, content, still adjusting to the larger space of the Sprout core. But the Beetle’s resonance had her attention now, and the feeling she sent back was complicated.

She recognized it. Ren was certain of that. The same way she’d recognized the Roothold Ward in the clearing, the same way she’d felt at home on old Valis territory. Something about the Beetle’s energy — or the laws sealed inside it — was familiar to her in a way that went deeper than anything Ren could explain.

Alongside the recognition was something else. Caution. Kaia was warm and steady, but she was watching the Beetle’s resonance the way you watch a fire in a room with wooden walls — aware that the thing you need for warmth is also the thing that could burn everything down.

’Are you okay with this?’ Ren asked her silently.

A long pause. Then a pulse. Warm. Deliberate. Yes.

The caution didn’t fully leave. She was saying yes, and she was also saying be careful.

He could work with that.

— • —

Ren spent the next two hours cultivating, filling his reserves to maximum with the clean outer-zone Natural Energy. His new Sprout channels absorbed it faster than his old Germination channels ever had — another benefit of the upgrade. By the time he finished, his reserves were full, his body rested, his Sprout core as stable as it was going to get.

The Beetle’s hum had grown stronger during the cultivation session, as if it could feel him preparing. The two laws inside Spatial Storage vibrated at a frequency that matched the resonance of his Sprout core almost exactly. They were ready. They had been ready since the Hollowroot Realm. They’d just been waiting for him to catch up.

Ren opened his eyes. The forest was dark and quiet around him. The camp sat two hundred meters back, behind the ward line, everyone sleeping. Selene was probably awake — Selene was always awake — but she was inside the perimeter and he was outside it.

Alone. Full reserves. Stable environment. Open window.

’Okay,’ he thought. ’Let’s do this.’

He reached into Spatial Storage and pulled the Life-and-Death Beetle into his hands.

It was warm. Warmer than it had ever been. The crystallized shell glowed faintly in the dark — one half pale gold, one half deep violet. Life and Death, sealed together in a fist-sized crystal that hummed against his palms like a second heartbeat.

Kaia pulsed once. Ready.

Ren pressed the Beetle against his chest and opened his root channels.