Kyohaku

Biodata

Feature	Details
Name	Kyohaku Uchiha (鏡泊)
Alias(es)	“Lord Kyohaku”; “Cold Lord” (wartime reputation) 76 92
Species/Race	Uchiha human; later an Ōtsutsuki-level life-form following the fusion of five bloodlines 271
Gender	Male
Affiliation	Konohagakure; Uchiha Clan; Konoha Security Department; Orochimaru’s research circle
Occupation/Role	Medical ninja; researcher; Orochimaru’s disciple; Uchiha Clan Head; Head of Konoha’s Security Department 23 27 153
Status	Active 271
First Appearance	Chapter 2

Power Progression

Stage / Realm / Level	Chapter	Notes
One-Tomoe Sharingan	24	Studies its Yin-chakra response, enhanced perception, chakra-flow vision, and basic genjutsu through Orochimaru’s experiments.
White Zetsu Cell fusion	37	Fully fuses White Zetsu Cells, recovering from his frail condition and damaged right foot while greatly improving his physical foundation.
Three-Tomoe Sharingan	47	Uses three-tomoe prediction and genjutsu while sparring Orochimaru; displays chakra reserves beyond an ordinary Jonin.
Chunin	54	Promoted for his combat achievements and the Jade Elixir, gaining access to higher-level missions and resources.
Jonin	84	Receives a Jonin promotion during the Third Shinobi World War.
Elite Jonin / near Kage level	92	His wartime record—including fighting Rasa to a standstill—earns him village-wide recognition as an Elite Jonin-level shinobi.
Four-Tomoe Sharingan	97	Awakens during the unstable Hashirama Cell fusion; its Yin Release suppresses the cells’ overwhelming Yang vitality.
Kage level	98	His enhanced body, immense chakra reserves, seven chakra natures, and Four-Tomoe Sharingan place him at Kage level or higher.
Lava Release	106	Develops a personal Earth-and-Fire Lava Release after defeating Rōshi; creates partial Lava Release Chakra Mode and original magma techniques.
Perfect Ryūchi Cave Sage Mode	182	Immediately balances Yin, Yang, and Nature Energy at a 1:1:1 ratio after Ryūchi Cave’s venom trial.
Independent Perfect Sage Mode	183	Learns to sense and merge Nature Energy without venom or Ryūchi Cave’s environmental support.
Sage Art: Lava Mountain Flame Lord Mode	185	Fuses Sage Chakra with Lava Release Chakra Mode; gains overwhelming offense, defense, terrain control, sensing, and genjutsu resistance, but the form lasts about fifty-eight seconds.
Six-Tomoe Sharingan	239	Evolves after completing the Kaguya bloodline; gains environmental and Nature Energy perception.
Six-Ring Mangekyō Sharingan	257	The Six-Tomoe Sharingan transforms while Nature Energy harmonizes Uchiha, Uzumaki, Senju, Kaguya, and Hyuga bloodlines.
Ōtsutsuki-level life-form	271	Declares the Bloodline Completion Plan complete after fusing all five bloodlines.

Background

Kyohaku was an Uchiha orphan whose parents died during the Second Shinobi World War. At five years old, the memories of his former life as forensic pathologist Chen Cheng merged with his own, granting him adult reasoning, anatomical knowledge, and unusually vast spiritual power. He accepted his new identity as Kyohaku Uchiha while concealing the change from everyone around him 4 5.

His right foot was permanently disabled during childhood, leaving him dependent on a crutch and dismissed by many Uchiha as unfit to become a ninja. Kyohaku deliberately maintained the image of a quiet, average, physically limited orphan, using others’ contempt as cover for private study and training 11 12.

After graduating, he became a Konoha Hospital intern. His exceptional chakra control allowed him to master the Healing Technique rapidly and treat injured animals through the Animal Training and Rehabilitation Class 15 17. He simultaneously entered Orochimaru’s laboratory, initially as a subject for Sharingan research and later as Orochimaru’s formal disciple 24 27.

Appearance

Kyohaku’s appearance changes substantially as his Bloodline Completion Plan progresses. He was initially a pale, frail child who used a crutch because of his damaged right foot; after White Zetsu Cell fusion, he became healthy, steady-footed, and physically stronger 35 38.

• Long, thick, black spiky hair, later reaching his shoulders and neck 47.
• Fair or unusually pale skin; after his first major fusion, the pallor is described as cold-blooded rather than sickly 35.
• Crimson Sharingan progressing from one tomoe to a unique Four-Tomoe, Six-Tomoe, and Six-Ring Mangekyō form 24 98 239 257.
• In Perfect Ryūchi Cave Sage Mode, he develops white-tipped hair, jade-white horns, golden slit pupils, and purple scale-like markings around his eyes 182.
• Following the Kaguya bloodline completion, his bones become jade-like and dense, while horn-like protrusions emerge from his forehead 239.
• By his later return to Konoha, he stands over two meters tall with an increasingly inhuman but composed presence 249.

Personality

Kyohaku is restrained, calculating, and intensely analytical. His former life as a forensic pathologist shapes the way he treats chakra, bloodlines, injuries, and combat as systems to be examined rather than mysteries to be accepted. He routinely suppresses emotion, studies threats before acting, and presents carefully constructed personas to different factions 5 25 96.

His detachment can become ruthless. During the Third Shinobi World War, he comes to view battle as a source of data, resources, and practical verification; prolonged combat hardens him into an efficient and emotionally distant shinobi 39 65. He nonetheless repeatedly protects comrades, provides life-saving medical care, and later commits himself to preventing tragedies involving figures such as Obito, Minato, Kushina, Shisui, Itachi, Nagato, and Gaara 60 61 115 178.

As clan head, Kyohaku favors results over sentiment. He uses intimidation and absolute strength to impose reforms, but his stated goal is to make the Uchiha useful to Konoha rather than isolated from it 160. His later environmental reconstruction and desire to heal the Shinobi World reveal a broader philosophy: power should be used to build and restore, not only to conquer 249 253.

Abilities & Skills

Sharingan and Genjutsu

Kyohaku’s Uchiha dōjutsu evolves through abnormal stages rather than following a conventional path.

• His One-Tomoe Sharingan enhances neural response, perception, chakra-flow vision, and basic genjutsu 24 25.
• His Three-Tomoe Sharingan allows him to predict enemy movement, disrupt opponents through eye contact, and detect ambushes or chakra traces across the battlefield 47 59 61.
• The Four-Tomoe Sharingan produces unusually powerful Yin Release; its ocular genjutsu can briefly affect Orochimaru 97 99.
• The Six-Tomoe Sharingan lets him perceive Nature Energy and resonate with the surrounding environment 239.
• His Six-Ring Mangekyō Sharingan stabilizes the fusion of his five bloodlines and marks the completion of his Ōtsutsuki evolution 257.

Medical Ninjutsu and Forensics

Kyohaku combines medical chakra control with forensic knowledge from his former life.

• Masters precise Healing Technique output rapidly enough to stabilize severely injured animals after only days of instruction 15.
• Performs wound cleaning, suturing, medicinal support, and basic treatment in Konoha Hospital 17 24.
• Diagnoses poison, broken bones, internal injuries, and battlefield trauma under extreme conditions 60 61.
• Uses forensic autopsy methods to identify a corpse’s cause of death, chakra disruption, unfinished Earth Release, combat history, and malnutrition 25.
• Develops the Jade Elixir, a regenerative medicine capable of saving severely wounded Konoha elites 53 54.

Fūinjutsu and Research

Under Orochimaru, Kyohaku becomes a specialist in sealing, biological modification, bloodline theory, and soul-related research.

• Studies the Five Elements Seal, Four Symbols Seal, Contract Seal, soul confinement, and fragments of space-time sealing 28.
• Handles cell cultivation, rune inscription, chakra-energy guidance, and advanced biological experiments 26 35.
• Uses Fūinjutsu to capture and process unusual biological materials for his Completion Plan 253.
• Treats his own body as an engineered project, integrating chakra-pathway research, medical theory, bloodlines, and sealing formulas 28 97.
• Creates or improves healing medicines, life-enhancing potions, and biological stabilization methods 53 211.

Elemental Ninjutsu

Kyohaku possesses all seven basic chakra natures: fire, wind, lightning, earth, water, yin, and yang 98.

• Fire Release — Uses Dragon Flame Jutsu, Phoenix Sage Flower Claw Crimson, Great Fire Dragon Technique, and Majestic Destroyer Flame 47 80 99.
• Earth Release — Employs Earth-Style Wall, Swamp of the Underworld, City Wall, battlefield restraint, ambushes, and defensive terrain control 47 59 60 80.
• Lightning Release — Uses Lightning Release: Stimulation Activation and lethal anti-ambush attacks 99 101.
• Water Release — Uses Water Wall to shield allies from Rōshi’s Lava Release 101.
• Wind Release — Integrates sharp Wind Release attacks into high-level combat against Orochimaru 99.
• Limit — Despite possessing Hashirama Cells and Water/Earth affinities, he cannot awaken Wood Release 98.

Lava Release

Kyohaku develops Lava Release by analyzing and adapting Rōshi’s techniques rather than simply duplicating tailed-beast chakra.

• Creates partial Lava Release Chakra Mode, initially limited to his right arm 106.
• Underworld Hound — A concentrated magma strike that pierces and melts through solid stone 106.
• Great Eruption — Forms immense molten fists with explosive destructive force 106 118.
• Granite — Produces a massive molten defensive shield capable of neutralizing Fire Release 157.
• Lava Armor: Bedrock — Uses lava as a defensive body coating 184.
• Seeks to expand the mode into a full-body form for enhanced speed, defense, endurance, and offense 173.

Sage Jutsu

Kyohaku becomes Ryūchi Cave’s unprecedented Perfect Sage Mode user.

• Perfectly balances Yin, Yang, and Nature Energy immediately after the cave’s venom initiation 182.
• Can enter Sage Mode independently outside Ryūchi Cave’s Nature Energy-rich environment 183.
• Gains heightened perception, spiritual control, sensory reach, regenerative support, and resistance to genjutsu 182 185.
• Later seeks Mount Myōboku training to correct the aggressive imbalance produced by his Ryūchi Cave-derived Sage Chakra 201 212.
• His mastery of Perfect Sage Jutsu becomes essential to stabilizing the Kaguya bloodline and the five-bloodline fusion 239 257.

Sage Art: Lava Mountain Flame Lord Mode

Kyohaku’s most destructive documented transformation combines Sage Chakra, Lava Release, Nature Energy, Yin Release, and his enhanced body.

• Classified by Kyohaku as an “Alternative Kekkei Tōta,” built from three fundamentally different energy systems rather than three ordinary chakra natures 202.
• Greatly improves destructive force, defense, sensing, genjutsu resistance, and terrain manipulation 185.
• Gate of the Great God — Produces enormous gates and energy-draining chains 185.
• Yellow Springs Swamp — Converts terrain into a lethal lava swamp 185.
• Yatagarasu — Creates a giant molten crow that rains lava feathers 185.
• Milky Way Bridge — Fires a condensed magma beam capable of piercing deeply into the earth 185.
• Limit: Can be sustained for roughly fifty-eight seconds; its Yang-heavy energy can amplify anger and impair Kyohaku’s rationality 185 202.

Summoning and Space-Time Techniques

Kyohaku inherits several of Orochimaru’s summoning and mobility methods.

• Summons Manda using Orochimaru’s blood, though the serpent remains hostile and reluctant 61.
• Uses smaller snakes for reconnaissance and emergency battlefield communication 62.
• Summons Rashomon and Triple Rashomon for powerful defensive barriers 47 80.
• Uses the Mayfly Technique to travel through earth and emerge behind opponents 80 85.
• Later uses Yomotsu Hirasaka for instant dimensional travel 262.
• Imprisons Obito and Zetsu in Daikokuten Space using the commands “Seal” and “Collect” 262.

Equipment / Weapons / Items

• Kunai, shuriken, explosive tags, and specially prepared ninja tools 47 72.
• Mutual Multiplying Explosive Tags, a forbidden large-scale chain-explosion technique 47 61.
• Healing Potions and Jade Elixir for emergency treatment and regeneration 53 61.
• Sealing scrolls and advanced Fūinjutsu materials 28 180.
• Ryūchi Cave summoning contract scroll 178 180.
• Uchiha Clan Head’s dark haori 180.
• Underground laboratory stocked with biological samples, experimental equipment, and forbidden research records 93 171.

Relationships

• Orochimaru — Mentor, research partner, and former examiner. Kyohaku becomes Orochimaru’s disciple at ten and gains access to forbidden techniques, bloodline research, and summoning contracts; their relationship later evolves into near-equals who test one another through combat 27 47 99 118.
• Shota Uchiha — Uncle and veteran Military Police officer. Shota supports Kyohaku’s medical studies, worries about Orochimaru’s influence, later spars with him, and temporarily oversees the Security Department during Kyohaku’s Ryūchi Cave training 18 38 89 180.
• Maiyi Uchiha — Older cousin. She consistently shows Kyohaku warmth and concern, from sharing training knowledge to celebrating his recovery from disability 18 38 132.
• Fugaku Uchiha — Former clan head and eventual predecessor. Fugaku resigns after Root’s crimes against the Uchiha are exposed, nominates Kyohaku as successor, and is later decisively defeated by him 151 160.
• Minato Namikaze — Hokage and political ally. Kyohaku supports Minato’s reforms, coordinates security matters with him, and considers Minato’s survival essential to Konoha’s stability 138 178 212.
• Danzō Shimura — Political adversary and transactional source of forbidden resources. Kyohaku feeds Root selective intelligence while concealing his deeper goals 96.
• Jiraiya — Ally and Sage Jutsu mentor. Jiraiya secures Kyohaku access to Mount Myōboku and warns him to seek harmony with Nature Energy rather than domination 210 212.
• Tsunade — Ally through Konoha’s reform faction and medical research. Her medical division later benefits from Kyohaku’s potions and development plans 200 211.
• Obito Uchiha — Fellow Uchiha and former neighbor whose downfall Kyohaku seeks to prevent or reverse. Kyohaku ultimately captures Obito after recognizing him as a central threat to the Shinobi World 171 262.
• Rōshi — Four-Tails jinchūriki and combat rival. Their battles lead Kyohaku to develop his own Lava Release 101 106.
• Genma Shiranui, Ebisu, and Might Guy — Former classmates rescued by Kyohaku from Sunagakure puppeteers and Ebizō’s ambush 60 61.
• White Snake Sage and the Snake Princesses — Ryūchi Cave instructors. They recognize Kyohaku’s unprecedented mastery after he achieves Perfect Sage Mode in less than half a month 181 183.

Story Role / Major Arcs

Hidden Orphan and Medical Intern

Kyohaku begins as a disabled Uchiha orphan hiding the merged memories and reasoning of his former life. He avoids attention at the Academy, studies his father’s notes, and develops medical skills at Konoha Hospital while building the public image of an unobtrusive medical ninja 4 11 17.

Orochimaru’s Disciple

He willingly enters Orochimaru’s laboratory to study his own Sharingan and gain access to forbidden knowledge. His observational ability, medical expertise, and willingness to assist with morally dangerous research earn Orochimaru’s interest and eventual mentorship 24 25 27.

Completion Plan and the Third Shinobi World War

Kyohaku uses White Zetsu Cells to restore his body, then enters the battlefield to gather experience, resources, and bloodline data. He rapidly rises from an underestimated medical ninja to a feared frontline combatant able to protect allies, defeat elite opponents, and confront Rasa directly 37 59 61 76 80.

Uchiha Recognition and Political Maneuvering

After the war, Kyohaku’s reputation grants him access to the Uchiha Secret Arts Archive and elevated clan status. He then manipulates Orochimaru, Root, and Uchiha factions simultaneously, using each group’s resources while concealing his true priorities 92 96.

Bloodline Completion

Kyohaku repeatedly risks biological collapse to fuse White Zetsu, Uzumaki, Senju/Hashirama, Kaguya, and Hyuga-derived powers into his Uchiha foundation. These experiments produce his Four-Tomoe, Six-Tomoe, and eventually Six-Ring Mangekyō Sharingan 97 239 257.

Uchiha Clan Head and Security Reformer

Following the exposure of Root’s murders and Sharingan thefts, Kyohaku becomes Uchiha Clan Head and head of Konoha’s Security Department. After defeating Fugaku, he opens the department to non-@@REF_ENTITY_16379454@@ shinobi, audits clan businesses, and orders the clan to integrate with Konoha 151 160.

Sage Training and the Nine-Tails Crisis

Foreseeing Obito’s attack around Naruto’s birth, Kyohaku trains at Ryūchi Cave, obtains Perfect Sage Mode, and develops Sage Art: Lava Mountain Flame Lord Mode in preparation for the coming catastrophe 178 182 185.

Ōtsutsuki Evolution and World Repair

Kyohaku’s later actions shift from personal survival to world-scale restoration. His environmental reforms strengthen his connection to Nature Energy, enabling the completion of his five-bloodline fusion and granting him Ōtsutsuki-level power 249 253 257.

Campaign Against Hidden Threats

After perceiving the Shinobi World’s ancient damage and “natural will,” Kyohaku identifies world repair as his responsibility. He captures Obito and Zetsu with overwhelming space-time sealing, then announces his intent to gather chakra from all nine Tailed Beasts and recreate the Ten-Tails under his control 262 271.

Notable Quotes

“These eyes will not have been shed in vain.” 151

“The Uchiha’s dignity must be defended with strength, not begged for.” 151

“Empty fame. Strength is what matters.” 76

“Power used only for conquest and destruction will eventually consume its wielder.” 249

Trivia

• Kyohaku’s former-life profession as a forensic pathologist is the foundation of his exceptional anatomical analysis, autopsy skill, and experimental mindset 5 25 172.
• He initially considered living near Obito’s home to remain close to a fellow marginalized Uchiha and future key figure 4.
• His Four-Tomoe Sharingan is explicitly presented as an abnormal evolution outside the expected Three-Tomoe-to-Mangekyō path 98.
• He cannot use Wood Release despite Hashirama Cells and compatible Water and Earth chakra natures 98.
• Ryūchi Cave’s Snake Princesses complete his Sage training in less than half a month and formally address him as “Lord Kyohaku” afterward 183.