Originally an impoverished, low-vitality high school student burdened by crushing medical debts, Lin Yu transforms into a ruthlessly pragmatic and calculating powerhouse after awakening the Soul Devouring System at a military crematorium. Devoted entirely to saving his comatose sister from lethal dark energy corruption, he maintains a low profile while decisively crushing anyone who threatens his family or exploits him. Lin Yu operates with cold efficiency, analyzing flaws in enemy techniques and alchemical compositions alike. Powers: Soul Devouring System: Siphons vitality, residual memories, martial arts proficiencies, and beast attributes. Martial Techniques: Intermediate Military Martial Arts, Lethal Claw Skill, Aura Camouflage. Potion Mastery: Master-grade alchemical synthesis (synthesizer of Ascending Dragon Potion and Life Enchantress). Physical Prowess: Over 20,155 kg of raw kinetic punch force; Level 3 certified combat output.

Lin Yu's exceptionally talented older sister, previously recognized as an extraordinary psychokinesis prodigy. On her seventeenth birthday, she suffered severe dark energy corruption during a catastrophic encounter, leaving her trapped in a deteriorating comatose state. Her failing biological signs and the looming deadline of her condition serve as Lin Yu's primary catalyst to delve into forbidden zones, challenge academy authorities, and master high-tier alchemy. Powers: Innate high-tier Psychokinesis and mental force manipulation (currently dormant due to systemic dark energy contamination).

The commanding Level 5 President of the Yongzhou Martial Arts Association. Wise, authoritative, and fiercely protective of authentic human prodigies, Zhang Jiance acts as a stabilizing shield against corrupt syndicates. Upon recognizing Lin Yu's unprecedented 20,155 kg strike force and martial insight, he intervenes personally to shield Lin Yu's family from Supreme Hall, granting him institutional resources and fast-track access to the elite Prodigy Training Camp. Powers: Level 5 Martial Grandmaster energy reserves, formidable spatial suppression aura, high-level administrative military command.

An arrogant, privileged top-ranked student at Qingteng Academy who weaponized his family's wealth and social status to torment low-vitality peers. Insecure when challenged, he orchestrated public duels and relied on forbidden arena enhancements to maintain his facade of superiority, only to be permanently humiliated and dismantled when Lin Yu exposed his fraudulent strength on live broadcast. Powers: High base vitality, A-Rank Defensive Armor, basic elemental combat arts, concealed arena traps (elemental fire and electricity deployment).

A cynical former frontline combatant turned corrupt physical assessment instructor at Qingteng Academy. Embittered by his own stagnation, Li uses his administrative position to suppress unbacked talents, attempting to ruin Lin Yu's career by tampering with assessment equipment to display a bogus 48 kg force output. His hubris is shattered when Lin Yu challenges him openly and obliterates the academy's genuine test machinery. Powers: Frontline military combat techniques, hardened physical conditioning, corrupt institutional authority.

The sharp-witted young master of Minghai Pharmacy. Initially approaching Lin Yu purely out of commercial opportunism after testing his potent body-strengthening concoctions, Cao Kun attempts to assert dominance as the vice-captain within the Yongzhou Prodigy Squad. After witnessing Lin Yu's horrifying physical power firsthand, he adopts an attitude of genuine reverence and loyal cooperation. Powers: Commercial alchemy distribution networks, refined martial conditioning, high-tier defensive gear and utility potions.

The battle-hardened chief instructor of the regional Prodigy Training Camp. Thoroughly unimpressed by spoiled academy elites, Qin Wushuang values raw combat efficiency and survival instincts above all else. He monitors candidates from the camp's central control room and becomes awestruck by Lin Yu's unmatched brutality and methodical clearance of the lethal Prodigy Path. Powers: High-tier Martial Master combat proficiency, advanced tactical warfare analysis, domain over the camp's testing arrays and beast enclosures.

A prominent merchant executive of Xingshan Hall with a keen eye for alchemical talent. Recognizing the miraculous purity of Lin Yu's synthesized potions, she becomes an essential ally in sourcing restricted alchemical herbs and providing financial lifelines to sustain Lin Siyi's life-support treatments. Powers: High-tier resource acquisition, underground mercantile connections, potion appraisal expertise.

A fiery, hot-headed prodigy selected for the Yongzhou Prodigy Squad. Initially skeptical of Lin Yu's quiet demeanor, Lei Jiu attempts to contest leadership within the squad before recognizing the vast gulf in their combat capabilities, shifting from an arrogant challenger to an allied peer. Powers: Lightning-attribute martial arts, high-speed kinetic strikes, advanced physical conditioning.