The abandoned transit station stood at the very edge of the city like a forgotten scar.
Once, it had been the pride of Southern District—a gleaming interchange of steel and glass where trains hummed overhead and commuters streamed in endless currents. Now, shattered panels rattled against rusted frames, and faded holographic signs flickered weakly in the dim afternoon light. Vines had claimed the outer walls. The rails beyond the platform were choked with debris and creeping moss.
Gu Cheng stepped onto the cracked concrete without a sound.
His silver-white hair fell like moonlight down his back, long and smooth, stirred only slightly by the wind sweeping through the skeletal structure. His pale icy-gray eyes scanned the shadows with a calm so absolute it felt detached from the world.
Behind him, four figures fanned out instinctively.
Lu Yan walked at his left, tall and broad-shouldered, his expression severe. Even without activating his ability, the air around him felt tense, as if gunpowder lingered unseen.
Zhou Kai moved like a predator through tall grass, steps light, gaze alert and sharp.
Lin Mo adjusted his glasses with measured composure, his presence quiet but steady.
Shen Yue lingered slightly behind Gu Cheng, dark eyes watchful, like a storm cloud waiting for the right moment to break.
They had all heard the encrypted broadcast.
Coordinates leading here.
"You're certain this isn't a trap?" Zhou Kai murmured.
Gu Cheng did not slow. "Of course it's a trap."
His voice was soft—refined, almost gentle.
"That doesn't mean it's not worth walking into."
Lu Yan's lips curved faintly. "I'll break whatever's waiting."
Shen Yue exhaled through his nose. "That's usually the problem."
They reached the central concourse.
Above them, the fractured ceiling revealed strips of gray sky. Broken benches lay overturned. Old ticket kiosks stood hollow and gutted.
The wind stilled.
Gu Cheng paused.
His senses expanded—not physically, but mentally. The invisible threads of his guiding ability extended outward, brushing lightly against the mental wavelengths of his four Sentinels.
Instantly, he felt it.
Static.
A faint distortion in the air—not sound, not scent, but pressure against perception itself.
Someone was watching.
"Three o'clock, upper balcony," Lu Yan said quietly.
"Left corridor too," Zhou Kai added.
Lin Mo's voice remained even. "No active energy spikes yet. Suppressed."
Shen Yue's gaze darkened. "They're good."
Gu Cheng stepped forward into the open center of the concourse.
"You brought us here," he said calmly, voice carrying through the hollow space. "Come out."
For a moment, nothing happened.
Then—
A figure descended from the upper balcony railing with effortless grace.
Another stepped from the shadows of the corridor.
Two more emerged from behind the ticket kiosks.
Four Sentinels.
And from the far end of the platform, walking slowly into view, was a Guide.
The anonymous sender.
He wore a black coat, hood lowered. His face was sharp, handsome in a severe way. His eyes were an unnatural amber—bright, assessing.
Gu Cheng met his gaze without expression.
"You came," the stranger said.
"Should I have not? " Gu Cheng replied.
The stranger's mouth twitched.
"I had to make sure it was you."
Lu Yan stepped slightly closer to Gu Cheng, protective instinct coiling beneath his skin. Zhou Kai's posture shifted—ready to spring. Shen Yue's mental pressure thickened like gathering thunder. Lin Mo remained still, but his focus sharpened.
The opposing Sentinels mirrored them—subtle shifts, tightening shoulders, coiled readiness.
The air felt fragile.
"Who are you?" Shen Yue asked.
The stranger's gaze remained on Gu Cheng. "Someone who has been watching you."
"That narrows it down," Zhou Kai muttered.
The stranger ignored him.
"You appeared a month ago," he continued evenly. "No past records. No genetic registration history before that date. Yet within weeks, you stabilized high-risk Sentinels simultaneously."
His amber eyes flicked briefly to Lu Yan and the others.
"Lu Yan. Battlefield mindscape. Berserk index previously at 87%."
Lu Yan's expression didn't change, but a faint tremor rippled through the ground—like distant artillery.
"Zhou Kai. Jungle mindscape. Sensory overload episodes weekly."
Zhou Kai's jaw tightened.
"Lin Mo. Library mindscape. Cognitive fracture risk."
Lin Mo's glasses reflected the dim light.
"Shen Yue. Storm mindscape. Emotional volatility level classified."
Shen Yue smiled faintly. "You've done your homework."
The stranger looked back at Gu Cheng.
"And you brought them all to equilibrium."
Gu Cheng tilted his head slightly. "You didn't lure us here to flatter me."
The stranger's gaze sharpened.
"No."
His voice dropped.
"I brought you here because the Central Sentinel Administration is experimenting."
The words landed heavily.
Lu Yan's eyes narrowed. "That's not new."
"This is different," the stranger replied. "They're pushing Sentinels past safe thresholds. Artificially amplifying senses. Removing the need for Guides."
Silence fell.
Zhou Kai scoffed softly. "Impossible."
"Is it?" The stranger's gaze was steady. "What happens when a Sentinel no longer requires stabilization? What happens to Guides?"
The wind whistled through broken steel beams.
Gu Cheng's expression remained unreadable, but internally, his mind was already calculating.
Data anomalies. Resource reallocations. Sudden reassignments of high-tier Sentinels.
It aligned.
"You want something," Gu Cheng said quietly.
"Yes."
The stranger stepped forward.
"Join us."
A faint ripple moved through the opposing Sentinels' mental presence—disciplined but alert.
"We're forming a faction," he continued. "Independent Guides and Sentinels. We gather proof. We stop the experimentation."
"And you think we'll trust you?" Zhou Kai said flatly.
The stranger's gaze didn't leave Gu Cheng.
"I think he'll understand the cost of being used."
The words were deliberate.
Sharp.
A test.
Gu Cheng's pale eyes cooled slightly.
"You know nothing about me."
"On the contrary," the stranger said softly. "I know you're not what you pretend to be."
The world seemed to narrow.
Lu Yan took a step forward, fury flashing like distant explosions.
Shen Yue's mental pressure spiked—thunder rolling across invisible skies.
Lin Mo's fingers twitched faintly.
Zhou Kai bared his teeth.
But Gu Cheng raised one hand.
They froze instantly.
The stranger noticed.
Interest flickered in his amber eyes.
"You've investigated," Gu Cheng said mildly. "And found nothing."
"Which is exactly the problem," the stranger replied.
For a long moment, the two Guides stood in silence.
Then—
A sharp, violent pulse erupted from the far end of the station.
Every Sentinel present stiffened.
Energy—unstable, chaotic—surged like a wildfire tearing through dry land.
Zhou Kai hissed. "That's not controlled."
Another pulse.
Stronger.
Metal shrieked overhead as beams warped under invisible pressure.
From the shadowed train tunnel beyond the platform, a figure staggered into view.
A Sentinel.
Eyes unfocused.
Breathing ragged.
Mental field—
Shattered.
His senses were flaring wildly, distorting the air around him. Sound fractured into painful shards. The smell of rust and dust intensified to suffocating levels. The flicker of broken lights became blinding.
"He's going berserk," Lin Mo said sharply.
"No," the stranger corrected grimly. "He already is."
The Sentinel roared.
The shockwave blew shattered glass outward in a deadly spray.
Lu Yan stepped in front of Gu Cheng instantly.
Zhou Kai vanished into motion.
Shen Yue's storm ignited.
But Gu Cheng was already moving.
He stepped past Lu Yan.
"Cheng—" Lu Yan started.
"Hold them back," Gu Cheng said calmly.
The berserk Sentinel lunged, strength amplified beyond reason. Concrete cracked beneath his feet.
Gu Cheng did not dodge.
He extended his mental field.
Not forcefully.
Not aggressively.
But like silk threads unfurling into chaos.
The Sentinel's mindscape slammed into him—
A burning wasteland.
Sirens screaming endlessly.
Gunfire without end.
Pain looping infinitely.
Gu Cheng's eyes softened.
He stepped into the inferno without hesitation.
Cool.
Steady.
His presence spread through the raging landscape like snowfall over scorched earth.
The sirens dulled.
The gunfire slowed.
The air cooled.
The Sentinel faltered mid-strike.
Lu Yan and the others held position, watching with tight intensity as Gu Cheng stood directly before a fully berserk Sentinel—untouched.
The storm inside the man's mind trembled.
Gu Cheng reached out—not physically, but mentally—and placed a hand over the chaotic core.
"It's enough," he murmured.
The wasteland shifted.
The flames dimmed.
The screaming faded into distant echoes.
The Sentinel collapsed to his knees, shaking violently as the overload receded.
Outside, the physical shockwaves stopped.
Silence fell over the station.
Gu Cheng withdrew his silver mental threads slowly, carefully, ensuring no fracture remained.
When he opened his eyes, the berserk Sentinel was unconscious but stable.
Lu Yan exhaled slowly.
Zhou Kai emerged from the shadows.
Shen Yue's storm calmed to a low rumble.
Lin Mo adjusted his glasses again, relief subtle but present.
The stranger Guide stared at Gu Cheng with something no longer purely analytical.
It was awe.
"You see?" he said quietly. "They're forcing this instability. Pushing Sentinels until they break."
Gu Cheng regarded him coolly. "And you arranged for us to witness it."
"Yes."
"That was reckless."
"It was necessary."
Sirens began wailing faintly in the distance—official response teams.
Time was short.
Gu Cheng glanced at his four Sentinels.
Unspoken communication passed between them.
Trust.
Alignment.
Decision.
He looked back at the stranger.
"If we join you," Gu Cheng said softly, "we don't follow."
The stranger's gaze sharpened.
"We cooperate," Gu Cheng continued. "On equal footing."
A pause.
Then the stranger inclined his head slightly.
"Agreed."
"Then send us everything you have," Gu Cheng said. "Proof. Data. Names."
The sirens grew louder.
Gu Cheng turned.
"Lu Yan. Carry him."
Lu Yan lifted the unconscious Sentinel effortlessly.
"Zhou Kai. Clear our exit."
Zhou Kai nodded.
"Lin Mo. Prepare containment protocol."
"Already done."
"Shen Yue."
A faint smile curved Shen Yue's lips. "I'll make sure no one remembers clearly what they saw."
Thunder rolled faintly overhead.
Gu Cheng began walking toward the far side of the station.
Before he exited, he paused briefly and glanced back at the stranger.
"Next time," he said quietly, silver hair catching the dim light, "don't test me with lives."
The stranger held his gaze.
"…Understood."
Then Gu Cheng stepped into the fading daylight, his four Sentinels moving seamlessly around him—protective, aligned, devoted.
Behind them, the abandoned transit station felt less like a trap.
And more like the beginning of war.