Lin Xian

Biodata

Power Progression

Personality

Lin Xian begins the apocalypse as intensely pragmatic. He refuses to treat the Infinite as a charity shelter, initially requiring every prospective passenger to offer skills, resources, or strategic value. Even when he agrees to rescue Chen Sixuan, he does so after recognizing the value of her Orbital Ring knowledge. 2

He is cautious, observant, and difficult to manipulate. Lin tests allies before extending trust, distrusts organizations that offer help too easily, and routinely prepares contingencies against betrayal, surveillance, and ambushes. 7 225

As the Infinite grows, Lin becomes less transactional. He comes to value collective effort, believing that people who join the train should not be judged solely by their immediate utility. 173 He remains reluctant to call himself a savior, but repeatedly accepts dangerous responsibilities rather than abandon allies, civilians, or strategically vital survivors. 535 576

Abilities & Skills

Mechanical Heart

Lin Xian’s core ability is a mechanical-system power that lets him perceive, manipulate, and improve machinery.

• Mechanical Scan — Analyzes machines and can obtain blueprints from scanned equipment. 2 49
• Mechanical Repair — Repairs damaged mechanical systems when he has the needed components or materials. Missing core components and absent blueprints cannot be fabricated arbitrarily. 54
• Mechanical Operation — Operates locomotives and other machinery, including systems that would otherwise lack usable fuel or power. 2
• Mechanical Manufacturing — Builds weapons, armor, drones, life-support systems, defensive equipment, and train components from blueprints and materials. 49 171
• Mechanical Devour — Breaks down machinery for Mechanical Origin Points, proficiency, attribute growth, materials, and occasionally new abilities. Larger machines offer greater rewards but can take hours and severely exhaust him. 64 123
• Limitations — Manufacturing and train operation consume stamina, concentration, time, materials, and available blueprints; early manufacturing functions operate only one production task at a time. 8 181

Mechanist Systems

His first awakening transforms his ability from individual fabrication into a developing industrial system.

• Research and Development Center — Improves existing blueprints over time; advanced equipment can require days or weeks of research. 123 182
• Material Synthesis Center — Converts available materials into selected material types, with quality governed by material grades. 123
• Decomposition Space — Stores dismantled materials; its capacity expands to 1,000 tons after the first awakening. 123
• Black Star Forge — His second-awakening megastructure merges the former decomposition, synthesis, and research systems. It possesses five simultaneous construction queues, an enormous inventory, automated production, and a temporary mechanical gate for deploying stored machines. 397
• Transfer Manufacturing — Transfers machinery into the Black Star Forge for repair, modification, upgrading, dismantling, or automated devouring. Moving very large objects is extremely energy-intensive. 397

Combat Skills

• Wind Cannon — Fires compressed wind projectiles capable of killing zombies and seriously injuring Espers; it consumes significant energy. 8 20
• Ice Shield — Creates a defensive ice barrier used to block attacks in close combat. 20
• Flashback — A burst-movement skill that lets Lin evade attacks and rapidly close distance. 61
• Electric Surge — Stores and discharges electricity as a destructive blast; requires charging time and is limited by what Lin’s body can endure. 71
• Gravity Lens — A high-energy gravity-based skill obtained after devouring a nuclear turbine engine; it has repeatedly saved his life and can protect allies from powerful attacks. 259 275
• Supercritical Diffraction Sword — A large-scale offensive technique capable of sweeping through multiple major Aberrant Entities, though it heavily drains his Mental Power. 471
• Nantianmen — A colossal beam weapon used to cripple an S-class entity and clear a path through the Crimson fog. 554

Mechanical Command

Lin can turn his individual ability into group-scale military power.

• Builds and manages armored trains, drone swarms, combat robots, power armor, railguns, close-in weapon systems, life-support equipment, and automated manufacturing infrastructure. 287 327 397
• Uses the Mechanical Heart’s coverage to monitor threats and conditions throughout the Infinite. 245
• Designs equipment around individual allies’ needs, including specialized armor, sniper systems, mechs, weapons, and mobility platforms. 435
• Later deploys thousands of drones, Iron Men, Dragon Girls, and heavy mechs to support mass survivor formations. 530 554

Equipment / Vehicles

• Infinite — Lin Xian’s original armored survival train, built from a Juying 03E heavy-duty gas-turbine locomotive and progressively expanded into a multi-locomotive mobile fortress. 2 341
• Firmament-class Interstellar Megatrain, Ark-7 — A 2,000-meter orbital and space-capable vessel that becomes the foundation of the Firmament Infinite Train alliance. 394
• Ghost Wolf-class Power Armor — Lin’s custom silver-black armor, reinforced with Unit 001-derived composite armor, magnetic shoulder hooks, and leap thrusters. 326
• GK03 Electric Saber — A close-combat weapon powered directly through Electric Surge. 71
• Heteromorphic Cube — Protects allies during Crystal Lattice evolution and can counter Dark Invasion energy. 511
• Superstring Reactor Phase Rainbow Rings — Amplify Lin’s combat index dramatically; three active rings raise him to Angel level. 404
• Black Gear — A Super A-class Taboo Item that enables dimensional movement within a Star Abyss but can cause destructive dimensional eruptions when its displaced time returns to reality. 502
• Black Star Forge — His Mechanical Lord awakening’s planetary-scale automated manufacturing system. 397

Relationships

• Chen Sixuan — Former university teacher, trusted co-captain, logistics manager, driver, sniper, and romantic partner. Her survival knowledge first earns her a place aboard Infinite, and she later becomes one of Lin’s closest advisers. 2 49 559
• Kiki / Wen Qi — Technical partner, telekinetic Esper, frequent field partner, and romantic interest. Their complementary skills form the core of Infinite’s information, surveillance, and mechanical-support work. 31 181 287
• Ding Junyi — Researcher and plant-focused Esper whose scientific analysis, cultivation work, and experiments support the train’s long-term survival. 122 175 511
• Lou Ye / Da Lou — Trusted frontline defender with immense strength and mechanical aptitude. Lin equips him with specialized heavy weapons and power armor. 44 64 427
• Lou Shasha / Sha Sha — Da Lou’s younger sister, a gifted combatant, weapons specialist, mech pilot, and technical collaborator. 44 248 435
• Chu Yan — A consciousness-linked ally and Phoenix Association intermediary. She provides critical intelligence while challenging Lin’s doubts and sense of responsibility. 397 539 549
• Jian Xuwei — Leader of the Fenger Group and Silver Star; she supports Lin’s command of the Grand Alliance and requests to serve as his first officer. 394
• Xiao Yuan — Infinite member whose affection for Lin develops into a romantic relationship during the Joint Train’s journey through the Americas. 327 564
• Phoenix Association — Major allied organization that recognizes Lin as a trusted partner, cooperates with him against the Crimson World, and later appoints him supreme commander of the Return Journey. 397 539

Story Role / Major Arcs

Notable Quotes

“I didn't raid an armory, because I am the armory.” 248

“This Interstellar Train will be ours from now on!” 394