The weightless peace of the Void Pocket shattered the moment they breached the exit threshold. The artificial 2G gravity of the Iron Silt slammed back down on Marcus’s broken skeleton like a falling iron anvil, instantly squeezing the air from his lungs. The pain was immediate, sharp, and blinding. His left knee, fifty percent calcified into a rigid column of bone and rust, grated agonizingly against his pelvis. His fractured left femur screamed under the sudden return of his downward mass, and his broken right collarbone felt as though a hot chisel were being hammered directly into his shoulder. A fresh, warm trail of blood began to leak from his left nostril, dripping onto the collar of his faded pilot duster.

Jax, his broken left arm bound tightly to his chest in grease-stained canvas splints, staggered under the sudden return of the weight but kept his single massive arm locked around Marcus’s waist, dragging him forward. Hana supported Clara, whose small body was convulsing with a wet, genetic cough. Every rattle in the girl’s chest sounded like dry gravel spinning in a turbine. Her temporary lead-and-copper patch was beginning to flicker, leaking tiny, erratic sparks of green energy that signaled its rapid degradation.

"Keep moving," Marcus rasped, his teeth red with his own blood. "We are close. The radiation signatures... they’re pooling ahead."

They dragged themselves through a narrow, low-ceilinged bypass tunnel, the air growing thick, hot, and smelling of heavy metals and ozone. Ahead, the dark volcanic rock gave way to a massive, circular airlock door, its heavy lead shielding buckled and green with chemical corrosion. Beyond the threshold lay the outer chambers of the Radiated Core Vault, a sealed storage facility left to rot by the Junta’s Energy Division. The air inside was thick with a faint, blue ionizing glow that cast long, eerie shadows across the metal scaffolding.

In the center of the chamber, surrounded by bubbling chemical vats, tangled copper coils, and humming G-Core testing rigs, stood Logan 'The Alchemist'. The eccentric old hermit was in his late seventies, with wild, unkempt white hair that stood up in tangled tufts. He wore a heavy, bulky coat made entirely of woven copper wire and industrial insulation tape, designed to shield his frail body from the vault's leaking radiation. He was currently muttering to himself, arguing with a rusted mechanical valve, his hands covered in dark chemical stains.

"Who’s there?" Logan suddenly shrieked, spinning around with a heavy copper pipe raised in his hand. His wild, bloodshot eyes scanned the darkness before locking onto Marcus’s glowing sapphire G-Core. "More scrap-rats? More thieves? You won't have it! The crucible is mine!"

"Logan," Marcus said, his voice a dry, gravelly scrape as Jax lowered him onto a lead-shielded crate. "We aren't here for your scrap. We need your help. The core... it’s uncalibrated. It’s tearing my bones to dust."

Logan lowered the pipe slowly, his eyes widening as he stared at the pristine, military-grade G-Core welded to Marcus’s spinal braces. "A sapphire core... pristine military grade. Fused to a broken spine. You’re mad, boy. That thing is a wild beast. It’s screaming inside your nervous system. Every time you pull a vector, it’s sending a kinetic shockwave straight into your bone marrow."

"Cyrus told us you could tune it," Jax grunted, his face pale from the pain of his splinted arm. He leaned against a metal pillar, his chest heaving. "He said you’re the only one who knows how to whisper to these things without military rigs."

Logan let out a high-pitched, erratic chuckle, pacing around Marcus’s crate like a nervous bird. "Cyrus is a greedy fat-head, but he knows my work. Yes, yes... I can tune it. But it’s a brutal process, boy. Core Frequency Tuning. We have to hook your nervous system directly to my crucible. We have to force your neural pathways to sync with the core's frequency. If your mind slips for a single second, the G-Core Alignment Threshold will collapse, and the feedback will turn your brain to hot jelly."

"Do it," Marcus said, his jaw set in a hard, cold resolve. "We don't have time. Clara's genetic sequence is destabilizing. If we don't calibrate the core, I won't have the strength to carry her out of this sector."

"Wait," Jax muttered, his eyes narrowing as he looked back toward the dark entrance. "Cyrus gave us another warning before we fled the Bazaar. He said Vaughn survived the fall into the lower hull. His high-tech carbon-fiber boots absorbed the impact. He’s alive, Marc. And he’s looking for our blood. He knows we came down here."

Logan stopped pacing, his expression turning serious for a brief moment. "Vaughn is a rabid dog. He’s been trading salvaged military tech to the local enforcers for years. If he’s hunting you, he won't be alone. He’ll have sold your coordinates to the garrison to buy his own transit pass out of the Silt."

"Then we have to work fast," Marcus said. He looked at Hana, who was gently laying the shivering Clara onto a clean cot near the back of the lab. "Hana, connect Clara’s Data-Slate to Logan’s console. The decrypted journal files... my father’s notes on the Vance bloodline's frequency-matching. Use them to guide the calibration."

Hana nodded, her fingers trembling as she pulled the slate from her pack and began connecting the copper interface wires to Logan’s massive, lead-shielded crucible. Logan muttered to himself, his wild eyes scanning the scrolling data as Arthur Vance’s AI schemas began to populate the cracked terminal screen.

"Incredible..." Logan whispered, his stained fingers flying across the manual dials. "Arthur’s matching protocols. He designed this core to sync with a specific genetic sequence. Your sequence, boy. But the alignment is completely off. It’s like trying to play a delicate violin with a heavy mining hammer. Sit still. This is going to burn."

Logan threw a heavy lever, and the copper coils surrounding Marcus’s crate began to hum with a deep, vibrating resonance. The sapphire light of the G-Core flared, its glow shifting from a volatile, flashing pattern to a steady, blinding beam of blue energy.

Marcus gritted his teeth, his eyes flying wide as a wave of absolute, white-hot heat surged through his collarbone and directly into his spine. It felt as though his blood were boiling, his nervous system being rewritten millisecond by millisecond. The pain was so intense that his vision flickered into gray static, his hands clenching the edges of the lead crate until his fingernails cracked and bled. The G-Core Alignment Threshold was active, his neural pathways fighting to sync with the volatile military frequency.

Suddenly, the heavy steel airlock door at the entrance of the lab exploded inward with a deafening, metallic roar.

Before the dust could settle, three high-frequency flashbangs hurtled into the room, detonating in a series of blinding white flashes and high-pitched, deafening shrieks. The intense light and sound flooded the chamber, instantly blinding Hana and Jax, who fell to the floor, clutching their ears in agony.

Marcus was blinded, his vision replaced by a wall of searing white light. But his mind remained cold, clinical, and hyper-focused. He expanded his Structural Weight Awareness, letting his mental perception sink into the metal floor plates of the lab. Through the vibrating steel, he could 'feel' the heavy, disciplined footsteps of four men advancing in a standard military breach formation.

"Secure the room!" a sharp, authoritative voice barked through the static. "Target is the crippled pilot and the genetic catalyst. Kill the rest."

Marcus recognized that voice. It was Cassius, a young, highly ambitious Junta Cadet who had been Marcus’s junior at the atmospheric military academy years ago. Cassius had always been obsessed with military honor, viewing Marcus’s past pilot legacy with a mixture of professional jealousy and intense rivalry.

Through his weight awareness, Marcus tracked the footsteps of the lead cadet as he advanced toward Clara’s cot. Marcus reached down, his fingers finding the manual controls of his G-Core. He couldn't use a wide-area gravity field—the uncalibrated core was still hooked to Logan’s crucible, and any sudden power surge could detonate the entire laboratory.

He had to be precise.

Marcus targeted the floor plates directly beneath the lead cadet’s boots. He triggered a localized High-G Crush, instantly increasing the gravity in a tiny, three-meter radius to a crushing 5G.

The air visibly shimmered and darkened. The lead cadet let out a muffled scream as his heavy hydraulic suit buckled under the sudden, immense downward mass, his knees slamming into the metal floor plates with a bone-shattering crack. He was pinned, unable to lift his arms or his weapon under the crushing pressure.

"Gravity anomaly!" Cassius warned, his disciplined eyes scanning the steam-filled room. "G-clamps active! Secure your boots!"

Marcus tried to trigger a Gravity Inversion to launch Cassius into the ceiling, but his weight awareness caught a sharp, metallic click. Cassius’s tactical boots had locked directly to the floor plates using standard military G-clamps, neutralizing the inversion field completely.

Cassius advanced through the blinding light, his standard-issue kinetic baton igniting with a high-frequency blue hum. He swung the baton, discharging a heavy kinetic shockwave that tore through the copper coils, sending a shower of sparks flying across the lab.

Marcus, his vision still partially blurred, gritted his teeth against the agonizing pain in his fractured right wrist and broken collarbone. He couldn't dodge. He couldn't move his paralyzed legs.

He had to execute his signature move. The Vector Trap.

At the exact millisecond the kinetic shockwave reached him, Marcus raised his left palm, aligning his G-Core’s frequency with the incoming force. He tensed his core, absorbing the physical impact of the shockwave directly into his body. The kinetic energy surged through his arm, cracking his wrist bone, but he successfully redirected the vector pathway.

With a sudden, violent gesture, Marcus slid the vector force sideways, driving the entire kinetic shockwave directly into a nearby chemical vat filled with Logan’s highly volatile refining acids.

The vat ruptured with a spectacular, roaring explosion.

A massive, blinding cloud of super-heated, acidic steam instantly flooded the laboratory, obscuring all line of sight and burning the skin of the advancing cadets.

"Agh! My eyes!" one of the cadets screamed, retreating through the blinding fog.

"Fall back!" Cassius ordered, his voice tight with frustration as the corrosive steam began to melt the seals of his tactical visor. "Maintain defensive perimeter! Don't let them escape!"

But as Cassius retreated through the airlock, he paused, his cold, disciplined eyes staring through the steam directly at Marcus’s silhouette. He had seen that exact redirection. The perfect, effortless sliding of kinetic force that turned a lethal strike into an environmental weapon. Only one man in the atmospheric flight academy had ever mastered that specific, high-risk technique.

"That vector shift..." Cassius whispered, his voice trembling with a sudden, shocking realization. "The Vector Trap. It’s... it’s him. The legendary pilot. Marcus Vance is still alive."

Inside the steaming, ruined laboratory, Logan let out a wild, grief-stricken wail. His primary refining crucible had been caught in the crossfire, its heavy lead-shielded casing cracked and leaking glowing blue G-energy onto the floor.

"My crucible!" Logan screamed, tearing at his white hair. "The seals are broken! I can't refine any more shards! We’re bleeding energy!"

But despite the destruction, the terminal screen flashed with a steady, solid green light. The baseline frequency tuning was complete. The sapphire G-Core hummed with a quiet, stable resonance, its volatile shriek replaced by a deep, powerful vibration that synced perfectly with Marcus’s heartbeat. The G-Core Alignment Threshold had been successfully breached.

Marcus collapsed back against the lead crate, his chest heaving, his body completely exhausted. The baseline calibration was done, but the victory was bitter.

Cassius’s squad had retreated into the narrow transit tunnels, but they weren't fleeing. Through his fading weight awareness, Marcus could hear the high-frequency static of Cassius’s military transmitter, sending a priority target report directly to the garrison command.