Webnovel's Extra: Reincarnated With a Copy Ability-Chapter 144: Expansion Vector

The next escalation did not happen in the afternoon drills or the scheduled perimeter simulations. Those had become predictable in their own way, even with Aurek’s tempo shifts and the constant pressure to adapt. Instead, the change arrived through a modification to the night-cycle training block.

Tier B Adaptive Response — Unscheduled Rotation.

The notice appeared late in the evening, barely an hour before activation. That alone told the students something had changed. The Triangle rarely moved training blocks without a reason.

Lucas read the notification while leaning against the dormitory desk, arms crossed. The heat beneath his ribs reacted faintly to the anticipation, settling deeper instead of flaring.

"Unscheduled," he muttered.

Dreyden looked over from the opposite side of the room where he had been reviewing simulation data.

"They want reactions before preparation," he said calmly.

Lucas nodded once. "Then they’ll get reactions."

The training grid illuminated the moment the last student stepped onto the field. This time the environment was darker, the hazard emitters embedded deeper into the ground so that the projection arcs rose like pale threads from the earth rather than descending from above.

Halvors stood on the ridge with the gray-haired administrator beside him.

"Tonight’s scenario emphasizes expansion pressure," Halvors said. "Containment strategies may prove insufficient."

Lucas didn’t miss the phrasing.

Aurek didn’t either.

"Command rotation active," Halvors continued. "Begin."

The first wave emerged low and wide, forcing the formation to stretch rather than compress. Aurek immediately pushed the outer flank forward, widening the line in anticipation of a second strike.

Lucas felt the instinct to tighten the formation.

He resisted it.

Instead he stepped back half a pace, letting the line expand around him rather than drawing it inward.

The difference was immediate. Instead of building pressure at the center, the formation breathed outward. The hazards skimmed past their edges before collapsing harmlessly beyond the perimeter.

Aurek glanced toward Lucas with brief surprise.

"Good," he said.

The second wave arrived faster.

Command shifted mid-rotation.

Command transfer — Vale.

Lucas stepped into anchor position again. The instinct to compress flickered through him like muscle memory. He could feel the pressure gathering already, ready to fold inward if he let it.

He didn’t.

"Spread three degrees," he ordered. "Don’t chase. Just widen."

The team hesitated for half a second.

Then they obeyed.

The formation expanded again, leaving a hollow core instead of a reinforced center. The hazard drones surged toward the gap, expecting collapse.

Lucas redirected at the last moment.

"Close."

The line folded inward just enough to redirect the wave sideways rather than absorb it. The maneuver was riskier than his usual compression, but it worked.

The hazards scattered into harmless fragments.

Aurek’s mouth curved slightly.

"You can expand," he said.

Lucas didn’t reply. He was still adjusting to the sensation. Expansion felt strange compared to compression. Instead of building weight in one place, it forced him to maintain balance across the entire formation.

Dreyden watched from the perimeter where he had been placed deliberately outside the anchor rotation. He could see the difference immediately. Lucas was learning to modulate the pressure rather than simply contain it.

That was exactly the development Oversight had been testing for.

The next hazard wave struck before the thought fully settled.

Command transfer — Stella.

Dreyden stepped inward, not to replace Lucas but to complement the new pattern.

"Offset your closure timing," he said evenly. "Half second delay."

Lucas adjusted.

The expansion held longer before collapsing into a narrow redirection channel. The wave shattered against the angled line and dispersed across the grid.

No one spoke for several seconds.

Halvors allowed the simulation to continue for another three rotations before dimming the field.

"Assessment," he said.

Aurek spoke first.

"Containment strategy evolving," he said. "Vale expanded the vector successfully."

Halvors turned toward Lucas.

"You resisted your primary instinct."

"Yes."

"Why?"

Lucas thought about the answer longer than usual.

"Because compression wasn’t the right shape for the pressure."

Halvors nodded once.

"And Stella?"

Dreyden met the instructor’s gaze.

"Lucas adjusted the vector. I adjusted the timing."

Halvors did not comment further.

Later, after the field cleared, Aurek approached Lucas again near the equipment racks.

"That was different," he said.

Lucas wiped sweat from his forehead and shrugged slightly.

"You wanted expansion."

"I wanted adaptability."

Lucas studied him briefly. "Satisfied?"

"For now."

Aurek leaned against the rack beside him.

"You felt the difference."

"Yes."

"What did it feel like?"

Lucas searched for the right description.

"Like balancing weight instead of carrying it."

Aurek nodded. "Exactly."

The tension between them had shifted subtly. It wasn’t gone, but it was less confrontational now that Lucas had demonstrated he could adapt rather than simply compress every threat.

From the Administrative Wing, the gray-haired administrator reviewed the new telemetry.

"Expansion vector confirmed," an analyst said.

"Yes," the administrator replied.

"And Stella adjusted without seizing control."

"Yes."

The analyst looked thoughtful. "They’re adapting faster than projected."

"They usually do."

Silence lingered for a moment.

"Does that concern you?"

The administrator leaned back slightly.

"Only if adaptation becomes independence."

On the balcony that night, Lucas leaned against the railing again, looking out toward the dim perimeter lights.

"Expansion works," he said.

"Yes," Dreyden replied.

"But it feels less stable."

"Because you’re distributing pressure instead of owning it."

Lucas nodded slowly.

"I don’t like that part."

"You will adapt."

Lucas glanced sideways.

"You say that like it’s inevitable."

"In this environment it usually is."

Lucas laughed quietly.

"The Triangle really does change people."

"Yes."

They stood there in silence for a while, watching the late-night drills continuing in the courtyard below.

The compression inside Lucas hadn’t disappeared.

It had simply learned another shape.

And somewhere in the Administrative Wing, the projections updated once again.

Retention Index — Stable

Expansion Response — Confirmed

The variable had not broken under pressure.

It had evolved.

For the Triangle, that meant the experiment would continue.

For Lucas and Dreyden, it meant the next test would be harder than the last.

Z.x.c.v.m.b.n