Biodata

Feature Information
Name Yi Chen (易辰)
Gender Male
Affiliation Arfros Tistic Academy; Zion's Organization
Occupation/Role Gentleman; Professor Chamberson's student
Profession Choices Blue (plants), black (death), and purple (unknown) 30
Status Active
Rating SSS-Class recruit integrated into the Prime Material Plane 895

Power Progression

Stage / Realm / Level Chapter Notes
Physique 3 44 Completed six months of Zed's extreme body reconstruction training; shed his old skin and gained Diseased Trait proficiency.
Motorics 3 136 Dodged a surprise flying knife during Keximani combat training, breaking through after accumulated reaction training.
Physique 4+ 136 Recorded one year after becoming a Gentleman.
Psyche 4 141 Increased from 3 to 4 following Principal Deslin's Psyche-focused guidance.
Physique 5+ 191 Endured the pain needles and assimilated iron chains into his body; his pain tolerance and Diseased Trait transformed.
Physique 6 — Human Limit 213 Reached the Physique limit after sparring with Zede; compatibility with Iron Chain increased.
Psyche 6 — Human Limit 256 Spent two months gazing into Deslin's Fantasy Celestial Body; unlocked the Star Magic system.
Triple-attribute breakthrough / Limit Release 361 Achieved the Organization's first recorded triple-attribute breakthrough, able to shift between Intellect, Physique, and Psyche through Yellow Skin.
Depth of Death 860 861 Applied a profound understanding of death in combat; fused an army of the dead into his soul through a circulation-like breathing method.
Death Divinity concealment 856 889 Became capable of concealing his Divinity completely, appearing to others as Death itself rather than merely emitting a death aura.

Background / History

Yi Chen grew up in an orphanage and made several attempts to escape. During one childhood escape, his roommate Xiao Yan insisted on accompanying him; both were captured and subjected to the orphanage's Watchdog transformation surgery. Yi Chen later learned that his father had a criminal past and had been executed, while his own orphanage file classified his potential as S-Class 179 199.

After joining Zion, Yi Chen entered Professor Chamberson's care and enrolled at Arfros Tistic Academy. He chose plant-, death-, and unknown-aligned professions, while Chamberson became his mentor and managed his enrollment 30. At the Academy, Yi Chen pursued both academic study and extreme physical development, specifically seeking to reach the Human Limit in multiple attributes 36 38.

Teacher Zed's six-month program dismantled and rebuilt Yi Chen's body through punishing training. Although his condition initially deteriorated, he ultimately underwent a physical transformation, raising his Physique and developing a body unlike that produced by conventional training 44 78.

During the Duke's gambling match, Yi Chen was forced to confront the memories and trauma of his orphanage. He awakened a Death Persona, evolved his plant disease trait into Pain Chain, and resolved to destroy the orphanage after accepting his past 202 206.

Appearance

Yi Chen is initially described as a slender, handsome young man whose physique conceals abnormal strength and robustness. His appearance changes substantially as his afflictions, Star Magic, skin control, and Death Divinity develop 78 256 361.

  • His body was rebuilt through Zed's training rather than ordinary exercise, producing unusual muscle distribution and adaptive reflexes 44 126.
  • After reaching Psyche 6, his pupils reflected stars and his clothing shimmered with starlight 256.
  • During his yellow-skin Limit Release, his face bears ember-like scorch marks and ash compound eyes cover his forehead's triangular zone 361.
  • He possesses four removable external eyes embedded in his forearms; only one was initially active 361.
  • Following later encounters with Death, he appears to have aged into his early thirties 788.
  • He can manifest a Black Sun form and use a Hand Blade stance 889.

Personality

Yi Chen is calm, reserved, and highly adaptable under pressure. He remained composed while confronting acrophobia, quickly adjusted to being placed in a child's body during the Duke's match, and approaches missions with deliberate preparation 23 86 177.

He possesses exceptional discipline and persistence. He refused aid while Zed's training reduced him to a haggard state, declined Chamberson's offer to quit, and endured pain severe enough to transform his body and relationship with suffering 44 191.

Despite presenting himself with friendliness, Yi Chen conceals strong ambitions and a deep attraction to killing formidable opponents. He prefers challenging strong enemies over exploiting weak ones and accepts his identity as a killer when confronting opponents such as Miles 453 1012.

Abilities & Skills

Student Profession

Yi Chen's unique Student profession improves his reading speed and intelligence through the consumption of diseased brains 38.

  • Rapidly reads and recalls extensive material from Chamberson's office 38.
  • Uses his reading talent to assess opponents and analyze their backgrounds 149.
  • Can interpret living targets as “Human Books” through his external-eye observation system 361.

Psychic Radiation and Lock-on

Little Grape's recovery granted Yi Chen the Lock-on ability, allowing him to target others with Psychic Radiation 23.

  • Locks onto selected targets for possible Psychic Radiation effects.
  • Later integrates Little Grape into his Limit Release as psychic tools in the form of external eyes 361.

Adaptive Physique and Pain Chain

Yi Chen's body is an abnormal, self-reconstructing physical form with exceptional adaptive reflexes. His plant-based trait became compatible with iron chains after he accepted extreme pain 126 191.

  • Can assimilate iron chains into his body and break ordinary restraints through brute force 191.
  • Possesses high pain tolerance, rated S+ even while physically incomplete and decayed 793.
  • Uses Iron Chain in combat and defense, including blocking Art's god-slaying spear 875.
  • His body is not suited to conventional movement techniques; Baili directs him to further understand his own physiology under Zed's guidance 126.

Death Persona and Death Divinity

Yi Chen awakened a Death Persona while confronting his past, later developing a Death Divinity described by Duke Garryson as ocean-like 202 789.

  • Can kill targets through a death attribute awakened by traumatic memories 179.
  • Makes the dead he kills follow him permanently 789.
  • Integrates tens of thousands of dead into his soul and circulates them through his breathing technique 861.
  • Can conceal his Death Divinity so completely that observers cannot detect a death aura 856 889.
  • Uses Deep Sea to slow his perception of time and evade attacks without counterattacking 952.

Star Magic

Yi Chen unlocked Star Magic after reaching the Psyche limit through prolonged exposure to Deslin's Fantasy Celestial Body 256.

  • Resonates Star Magic through direct contact with the Moon 295.
  • Fused his physical body with Star Magic during the Nebula Body breakthrough 347.
  • Is encouraged by Deslin to combine Star Magic with dark arts and illusions 394.

Enlightenment

Enlightenment establishes a teacher-student relationship with life forms Yi Chen enlightens 289.

  • Enlightened Irina and Yuri's maids, leading them to pursue knowledge and self-improvement 289.
  • Can dissolve enlightenment relationships after training 289.
  • Disrupted Yuri's control over his maids by replacing it with Yi Chen's teacher-student bond 289.

Skin Control and Limit Release

Yi Chen's Yellow Skin and knowledge of the Skin Bible allow unusually advanced skin-based development 361.

  • Successfully mastered a garment with 80% skin content, a level potentially fatal to ordinary Gentlemen 351.
  • Can transform between Intellect, Physique, and Psyche configurations after his triple-attribute breakthrough 361.
  • Uses Abyssal Adsorption to pull Art back repeatedly during combat 875.

Equipment / Weapons / Items

  • Little Grape — Black Flesh Ball and Yi Chen's symbiotic companion; grants Lock-on and later manifests as external psychic eyes 23 361.
  • Transformable axe — Forged by Bengus; capable of entering a Full Moon Form that leaves Moon Marks and can release Moonlight Rats from a target's wound 81 111.
  • Weapon briefcase — Provided by Bengus for weapon and material storage 81.
  • Umbilical cord — Life-attributed Relic acquired by assisting The Diseased with Open Source; kept concealed inside Yi Chen's body 126.
  • Triple-Attribute Relic — A golden box containing a Rubik's Cube Relic requiring decryption 209 213.
  • Skin Bible — Dangerous book-like Relic that integrated into his clothing 345.
  • Silver coin — Gift from Lorien; can summon moonlight to aid Yi Chen 788.
  • Temporary prosthetic lower body — Supplied by William to bypass concept-erasure effects 788.
  • Wedge-stone weapon — Commissioned from Stephen; volatile and activated using a strong enemy's blood 453.

Relationships

  • Professor Chamberson — Mentor and Academy sponsor; handles Yi Chen's enrollment, protects his secrets, and supports his development 30 126 209.
  • Teacher Zed / Zede — Physical-training mentor; rebuilt Yi Chen's body through Paradise training and later sparred with him at his Physique limit 43 44 213.
  • Principal Deslin — Psyche and Star Magic mentor; guided Yi Chen to Psyche 6 and continues to support his stellar development 141 256 394.
  • Little Grape — Symbiotic companion and source of several psychic abilities; later becomes the thirteenth Prophet 23 351.
  • Lorien / Moonscar — Ally and fellow participant in the Duke's match; their relationship develops into mutual respect, and Lorien provides Yi Chen with moonlight support 191 207 788.
  • Jin — Teammate and close companion; they plan missions and travel to the Old World together 86 397.
  • Regan — Teammate; Yi Chen shows concern for his condition and later seeks him out at the Power Station 149 209.
  • Lainey — Ally who wishes to remain with Yi Chen and later joins his squad; Yi Chen helps secure her role in the Calamity film crew 973 990.
  • William Berens — Complex associate whose motives Yi Chen distrusts; Yi Chen later confronts him over betrayal 856 922.
  • Director Cao — Former orphanage director and source of Yi Chen's trauma; Yi Chen confronts and defeats her during the gambling match 199 202.

Story Role / Major Arcs

Academy Training

Yi Chen joins Edmund's team, reaches Zion, and begins Academy life under Chamberson. He studies the world's history, chooses his professions, and undertakes Zed's secret six-month physical training 23 30 36 44.

Missions and Moonification

After obtaining Bengus's transformable axe, Yi Chen prepares for solo missions and becomes entangled with Moon-related threats. He uses deception to confront the Village Chief and activates the weapon's Full Moon Form 81 86 111.

Duke Gambling Match and Orphanage Memories

Yi Chen enters the Duke's role-playing gambling match with Lorien. The match forces him to relive the orphanage, face Director Cao, awaken his Death Persona, and accept the goal of destroying the institution 177 179 199 202.

Star Magic and Triple-Attribute Development

Deslin guides Yi Chen's Psyche development, culminating in Star Magic. Yi Chen later undergoes the Organization's first recorded triple-attribute breakthrough and gains the external-eye Human Book observation system 256 347 361.

Death Divinity and the United Circus

Yi Chen develops a deeper understanding of death through the Monastery and confronts Emperor Pride. His Death Divinity becomes increasingly concealed and overwhelming, leading others to perceive him as Death itself 789 856 860 861.

Calamity Film Crew

While trapped in Calamity's constructed Scene, Yi Chen recognizes that defeating the Murderer alone is insufficient and attempts to alter the film's script. He recruits Lainey into the production as a “witch of the forest” and prepares to perform within the crew's constraints 985 990 991.

Trivia

  • Yi Chen has acrophobia but keeps it under control during the ascent to Zion City 23.
  • He resisted the urge to eat the potted plants in Chamberson's office 36.
  • His childhood longing to see a real night sky contributed to his unusually deep connection with Star Magic 256.
  • He was the first person in the Organization's history to achieve a triple-attribute breakthrough 361.
  • His Prime Material Plane file was later marked with a red UNIQUE seal, prompting increased surveillance 924.