"Do it," he said.

Nyx blinked, surprised at his willing response. She had clearly prepared for more resistance. "Just like that?"

"Just like that," Zen said. "Attach it."

Nyx looked at him for a moment, her expression shifting like someone re-running a calculation that wouldn’t quite add up.

Finally, she picked up the device and pressed it against the pool’s built-in resonance array.

The micro-runes activated with a soft chime.

For three seconds, nothing happened.

Then Zen felt a sensation like a door opening somewhere behind his eyes. The ambient data of Nyx’s network rushed toward his System like water down a drain.

This wasn’t just filtered probability anymore; it was actual, real-time information pouring directly into his calculation engine.

The System interface in his mind went completely silent.

Then it began to rebuild itself.

[SYSTEM EVOLUTION — INITIATED.]

[External architecture detected. Analyzing...]

[Omni Domain surveillance network: Integrated.]

[Void Fragment ’Probability Engine’ is consuming the interface structure...]

[New capabilities bootstrapped from absorbed architecture:]

[— Environmental Scan: Active. Real-time mana density mapping within 500-meter radius.]

[— Network Interface: Active. Can query connected data nodes without external detection.]

[— Threat Assessment: Upgraded from probability inference to real-time analysis.]

[— Translation Matrix: Upgraded from host knowledge to active linguistic processing.]

[SYSTEM EVOLUTION — COMPLETE.]

[Secondary process: Checking for external monitoring hooks attached to the interface bridge...]

[Monitoring hook detected. Origin: Nyx, Spymaster, Omni Domain.]

[Processing...]

[Hook rejected. The Void does not share.]

[Bridge node functionality retained. External access: Severed.]

Across the room, Nyx’s left eye visor lit up with many quick error warnings. She stood up from the pool’s edge, staring at the device with an expression that quickly changed between scientific fascination and genuine anger.

"You ate my hook," Nyx said.

"Yes," Zen said, settling back into the cultivation pool.

"I built a bridge into your mind and... I don’t know, but something on the other side consumed the bridge and kept the road," Nyx said, more to herself than to him.

She stared at the bridge node sitting inert on the pool’s edge, fully drained. "The entire monitoring architecture is just... gone. Your mind did not reject the connection; it absorbed it, extracted every function I built into it, and discarded the parts that served me rather than you."

Zen said nothing.

"You knew," Nyx said.

She picked up the empty bridge node and turned it over in her fingers. The indignation on her face was cycling slowly into something more complicated. "You knew this was going to happen."

"I suspected," Zen said.

"How?"

Zen looked at her for a moment. Then he settled back against the pool’s edge and closed his eyes.

"I calculated the odds," he said simply.

Nyx stared at him.

The non-answer worked exactly as he intended it to... short, final, and giving her nothing to use. As the Spymaster, she knew a closed door when she saw one.

She looked at the empty device in her hand for a long moment. Then she set it down on the pool’s edge with a small, sharp click.

"I genuinely cannot tell," she said quietly, "whether you are the most reckless person I have ever met or the most intentional."

"Both," Zen said. "Always both."

Nyx stood at the edge of the pool in silence for a moment, her purple eyes running through several rapid cycles of calculation that she didn’t bother to hide.

She was re-evaluating something. Probably several things at the same time.

"Rest," she finally said, turning toward the door. "Your pathways will be fully stabilised by morning." She paused at the threshold. "And Zen."

"Yes."

"The archive," she said without looking back. "Give me three days."

Then she walked out and sealed the door.

Zen closed his eyes and settled deeper into the cultivation pool, deciding to test his upgraded System for the first time.

"Environmental scan," he said quietly. "Full radius."

[Scanning... 500-meter radius mapped.]

[Notable Findings: 4,000 drones in active non-hostile patrol pattern]

[One S-Rank mana signature; location: three floors below in server room seven]

[One incoming high-priority mana signature approaching from the north border access tunnel. Golden Aegis classification. ETA: Eleven minutes.]

Valeria. She’s already inside the border.

Eleven minutes.

Zen opened one eye and looked at the ceiling.

"System," he said. "What is the probability that Valeria arrives in this room before Nyx has time to intercept her?"

[Calculating... 94%.]

"And the probability that the resulting confrontation damages the cultivation infrastructure?"

[Calculating... 71%.]

Zen closed his eye again.

He had eleven minutes of peace. He was going to use all eleven of them.

—

Meanwhile...

Miles away, a heavy, wet crunch broke the silence of the pitch-black magi-train tunnels.

Valeria stood in the middle of the steel tracks, surrounded by the mangled bodies of a dozen D-Rank Void-Crawlers. The massive, centipede-like monsters had swarmed the disabled carriage, drawn by the sudden heat and the scent of blood.

They had made a terrible mistake.

Valeria was breathing heavily. Her golden Aegis mana flared so violently it lit the entire tunnel like a small, furious sun.

She reached down and ripped a mandible clean off the nearest skull with her bare hands. She tossed it onto the tracks without looking at it.

"Commander!" a static-filled voice crackled from the emergency comms on her wrist. "Commander Valeria, do you copy? The transit authority flagged your VIP train as offline. Are you secure?"

Valeria wiped a smear of dark monster blood from her cheek.

"I am fine," she said. Her voice was completely hollow. The specific kind of hollow that had nothing to do with fear.

"We are dispatching a heavily armed rescue squad to your coordinates immediately," the operator said quickly. "Hold your position, Commander."

"Cancel the rescue squad," Valeria ordered.

"Ma’am?"

"Cancel it," she repeated. "And tell Valerius to pull his hounds out of District 7. The anomaly is not at the Academy."

"Where is it, Commander?"

Valeria looked down the dark tunnel leading toward the Omni Domain border.

She had spent four hours alone in this tunnel with nothing but monsters, darkness, and the certainty of what she was going to do next.

Her tactical mind had mapped and rejected seventeen approaches. She had arrived at the eighteenth.

She was going to walk through the front door.

"Nyx took him," Valeria said quietly, to no one in particular. The radio operator had gone silent. She didn’t notice.

She began to walk.

"You think a digital wall can keep me out?" she said, her boots crushing chitin underfoot. "You think you can steal what belongs to me and hide behind your servers?"

Her golden aura built with every step, warming the frozen tunnel air until the temperature climbed fifteen degrees in her immediate vicinity.

"I will tear down every wall you have," Valeria promised the darkness ahead. "I will shatter your drones one by one."

She stopped, then took one slow breath.

"But first," she said in a more quiet voice, "I am going to walk through your front door like a civilised person." A pause. "Because he would want me to."

She resumed walking. 𝚏𝕣𝕖𝚎𝚠𝚎𝚋𝚗𝐨𝐯𝕖𝕝.𝕔𝐨𝕞

"And then," she added, after a moment of honest reflection, "if you do not return him to me in perfect condition, I will tear down every wall you have."

—

Above, in the central servers, one of Nyx’s monitoring screens showed a single golden mana signature approaching the border at a steady pace.

Nyx looked at it for a long moment.

She thought about her servers, the three-day timeline, and the empty bridge node sitting on the pool’s edge upstairs.

Then she made a decision and opened the border.