Biodata

Feature Value
Name Orochimaru (大蛇丸)
Alias(es) Research Institute doctor (disguise); Sasuke Uchiha (identity assumed through possession) 103 167 194
Gender Male 103 104
Affiliation Former Akatsuki member; maintains an interest-based alliance with Moriyue 119 181 251
Occupation/Role One of the legendary Sannin; rogue ninja, scientist, and forbidden-jutsu researcher 104 123 268
Status Survives his apparent defeat by Sasuke and takes possession of his body; later assists Obito against Madara 145 168 300
First Appearance Chapter 103: “Orochchimaru Appears!”—revealed beneath the appearance of the doctor who performed Moriyue’s first forbidden-technique modification 103

Power Progression

Stage / Realm / Level Chapter Notes
Consciousness survives within Sasuke 145 165 Sasuke apparently devours him during a failed reincarnation attempt. Orochimaru’s surviving consciousness gradually reshapes Sasuke’s behavior and self-perception.
Possession of Sasuke’s body 167 168 Divides his body and consciousness into fragments inside Sasuke. Itachi seals only part of him, allowing the remaining fragments to merge with the host and seize control.
Hand-based ninjutsu restored 173 Sasuke’s body allows him to use ninjutsu with his hands again, overcoming the restriction imposed by the Reaper Death Seal. Control over the new body remains incomplete.
Mangekyo Sharingan awakened 205 Evolves the possessed body’s Sharingan during the confrontation with Sakura, Gaara, and Hinata; uses genjutsu and Amaterasu against Gaara.
Eternal Mangekyo Sharingan 279 280 Obtains and merges with Itachi’s eyes. During the battle against Danzo, Sasuke’s surviving consciousness adapts to the upgraded eyes while Orochimaru remains the main consciousness.

Background / History

Earlier experiments and the loss of his hands

Orochimaru’s experiments produced Yamato’s Wood Release, but Yamato remembers the process as childhood imprisonment among other subjects who suffered and died. As an adult, Yamato seeks to stop him so that other children will not endure the same treatment 123 124.

During his battle against the Third Hokage, Orochimaru used an incomplete Impure World Reincarnation to summon the First and Second Hokage. Their restricted strength left the Third an opportunity to use the Reaper Death Seal against him. Orochimaru survived, but his sealed hands prevented hand seals and disabled many of his strongest techniques 121 268. He also admits to killing the previous Kazekage 205.

Encounter and alliance with Moriyue

At Kumogakure’s underground Research Institute, Orochimaru reveals himself beneath the appearance of the doctor responsible for Moriyue’s first forbidden-technique modification. Moriyue cannot determine whether the doctor had always been Orochimaru or had subsequently been possessed by him 103 106.

Orochimaru immediately tests Moriyue in combat and expresses a desire for his body. After meeting resistance from Moriyue’s lightning sword and flesh-devouring tentacles, he escapes as snakes and removes the discarded bodies and other evidence before guards arrive 104.

He returns after Moriyue’s battle with the Evil God, attempting to seize the exhausted ninja’s body. The familiar supernatural aura and his own lingering Reaper Death Seal injuries make him hesitate. Their confrontation becomes a secret negotiation: both halt concealed attacks and agree to cooperate, with Sasuke and Naruto central to their plans 119.

Tenchi Bridge and the Underground Palace

At Tenchi Bridge, Orochimaru exposes the encounter between Kabuto and Yamato, who is disguised as Sasori. He provokes Naruto into a four-tailed transformation, survives the resulting Tailed Beast Bomb with Triple Rashomon, and impales Naruto with the Kusanagi Sword. Yamato intervenes, and Orochimaru withdraws with his newly acquired body badly damaged 123.

Moriyue subsequently gives him Danzo’s letter and Konoha ANBU intelligence stolen from Sai. Orochimaru accepts the information and leads Moriyue’s group to one of his underground hideouts, where he observes Moriyue resisting and countering Sasuke’s genjutsu. He later secretly supplies Moriyue with a Sharingan 124 125 128.

Apparent defeat and takeover of Sasuke

Severely weakened by reincarnation-related pain, Orochimaru is attacked by Sasuke, who pins his hands with a lightning pillar and declares that he no longer needs his instruction. Moriyue intervenes, but Orochimaru disregards his warning that his mental strength is insufficient to suppress Sasuke 144 145.

Orochimaru reveals his White Phosphorus Great Serpent form and draws Sasuke into a reincarnation ritual. Sasuke instead devours his consciousness. This apparent victory leaves Orochimaru inside him, gradually introducing research habits, intrusive thoughts, and behavioral changes that Sasuke struggles to resist 145 165.

Itachi initially appears to remove Orochimaru’s influence and seals the Curse Mark’s power. However, Orochimaru has hidden multiple fragments of himself within Sasuke. Itachi’s subsequent sealing captures only a portion, and Moriyue’s intervention enables Orochimaru to merge with Sasuke and take control 166 168.

Orochimaru retreats when Moriyue’s companions unexpectedly arrive, suspecting betrayal and recognizing that his control of the new body is incomplete. News of his resurrection alarms Konoha, especially because his hands can once again perform ninjutsu 173 174.

Ocular research and the Hoshikage conflict

After returning to an underground palace, Orochimaru is confronted by Pain and required to demonstrate his usefulness. He later reunites with Moriyue around Nagato, sharing information about Hoshikage while pursuing his own plans involving Naruto and maintaining a connection with Zetsu 181 194 195.

His Mangekyo Sharingan awakening brings the threat of blindness. He researches alternatives rather than relying solely on obtaining Itachi’s stolen eyes, eventually identifying the First Hokage’s cells as a means of preventing further blindness 205 210 262.

Orochimaru helps Moriyue locate the captured Yugito Nii, removes her seal, and carries her away before Moriyue’s attack on Obito summons the Shinigami. He subsequently observes Moriyue stabilizing her with a Tailed Beast fragment and medicines 223 228 229 232.

His dealings with Hoshikage extend beyond open opposition. He had offered Gold and Utsu assistance with Naruto’s Nine-Tails seal in exchange for attacking Kumogakure to draw out Moriyue, while instructing them not to destroy the village. Later, he investigates a coveted painting near Kirigakure and takes Naruto away without resistance 273 275 278.

Itachi’s eyes, Danzo, and Madara

Having obtained and merged with Itachi’s eyes, Orochimaru changes tactics toward Sasuke’s surviving consciousness. Instead of continually suppressing it, he reveals the truth behind Itachi’s mission and allows Sasuke to confront Danzo, hoping ultimately to eliminate the remaining host consciousness 279.

During that confrontation, Orochimaru explains Izanagi and observes the battle from within the shared body. A costly technique he had prepared in advance contributes to disrupting Danzo’s Kotoamatsukami and destroying the eye that casts it 280.

After the Infinite Tsukuyomi, Orochimaru emerges to suppress several Kage and helps transfer Six Paths power from Madara to Obito. Madara directs a final Truth-Seeking Orb at Orochimaru; the supplied account does not establish the attack’s outcome 300. Moriyue later identifies him as one of the figures who helped accelerate the war 304.

Appearance

Orochimaru’s original appearance combines a pale face, golden vertical pupils, purple eyeshadow, and long black hair 103 104.

  • Hair: Tied in a ponytail during his first confrontation with Moriyue to keep it out of his vision 104.
  • Tongue and jaws: An unusually long tongue and jaws capable of opening to approximately 180 degrees 104 119.
  • Doctor disguise: A gaunt, white-robed man with deathly pale skin, cracked-looking mouth corners, and an uncoordinated gait 103.
  • True serpent form: The White Phosphorus Great Serpent is composed of numerous small white snakes, with a head that vaguely resembles Orochimaru 145.
  • Possessed appearance: Retains Sasuke’s outward identity, but gradually develops Orochimaru’s former physique, purple eyeshadow, and facial features 181 251.

Personality

Orochimaru treats bodies, bloodlines, and forbidden techniques as research opportunities. He regards Moriyue’s modified body with the intensity of someone admiring an artwork, studies Ajisai’s altered mark, and becomes fascinated by Yugito’s survival with a divided Tailed Beast. His willingness to treat other people as expendable materials makes Moriyue’s companions particularly distrustful of him 104 124 251.

His cooperation is calculated rather than loyal. He conceals technical principles even from Moriyue, considers acting against him immediately after their success against Itachi, and welcomes disorder as an opportunity for experimentation. Nevertheless, he knows when to retreat: incomplete control of Sasuke’s body and the possibility of attracting divine attention both outweigh his curiosity 168 173 230 251 271.

Possessing the Sharingan does not make him unaware of its psychological effects. He recognizes that Uchiha power can distort his emotions and deliberately restores his composure rather than allowing those impulses to dictate his actions 196 204 251.

Abilities & Skills

Body Reincarnation and Consciousness Assimilation

Orochimaru transfers himself into other bodies and can continue acting through surviving consciousness fragments 145 168.

  • Maintains numerous spare vessels within his reincarnation ritual space 145.
  • Gradually alters a host’s habits, personality, and self-perception from within 165.
  • Fragments himself so that sealing one manifestation does not necessarily eliminate the rest 168.
  • Limits: Reincarnation causes severe pain and exhaustion; an inadequately suppressed host can resist him. Sasuke’s residual consciousness remains troublesome even after Orochimaru gains primary control 144 145 279.

Serpentine Physiology and Substitution

His modified body stretches, sheds damaged tissue, and produces snakes 104 119 123.

  • Extends his neck across a distance of roughly ten meters 119.
  • Spits out large snakes and emerges again from a collapsing snake body 104.
  • Sheds damaged facial tissue after being struck by Naruto’s Rasengan 123.
  • Uses a massive snakeskin barrier to block Ajisai and Yugito’s combined attack 251.
  • In his Great Serpent form, his blood produces a paralyzing toxin upon contact with air 145.

Sharingan and Mangekyo Techniques

Taking Sasuke’s body gives Orochimaru access to its Uchiha bloodline and ocular development 168 226.

  • Uses Sharingan genjutsu to immobilize Gaara 205.
  • Casts Amaterasu from his left eye 205.
  • Identifies Kotoamatsukami and explains Izanagi’s exchange of a Sharingan for reality alteration 195 196 280.
  • Researches the First Hokage’s cells as protection against blindness, then merges with Itachi’s eyes to obtain Eternal Mangekyo Sharingan 262 279 280.
  • Limits: Ordinary Mangekyo use places a heavy burden on the body and eventually causes blindness; the Sharingan also influences his mind 204 210.

Impure World Reincarnation

Orochimaru is one of the technique’s foremost researchers, with detailed knowledge of both its operation and vulnerabilities 268.

  • Previously reanimated the First and Second Hokage against the Third, although his incomplete version restricted their power 268.
  • Recognizes Kabuto’s improvements immediately upon observing his reanimated fighters 268.
  • Uses the technique during the confrontation that brings Sasori and Deidara back into battle 271.
  • Knows that a resurrected individual who understands the incantation can escape the caster’s control 268.
  • Limits: Requires suitable corpse samples and materials. Kabuto’s removal of Orochimaru’s specimens restricts his available resources, and reanimated fighters remain vulnerable to sealing 226 271.

Defensive Summoning and Sword Combat

Orochimaru combines summoned barriers with attacks delivered through his flexible body 123.

  • Triple Rashomon: Three gates respectively absorb, weaken, and disperse an incoming attack; used against four-tailed Naruto’s Tailed Beast Bomb 123.
  • Kusanagi attacks: Holds the sword with his tongue or mouth, extending his neck or emerging from underground to strike 123.
  • Limits: Surviving Naruto’s assault still leaves his current vessel close to unusable 123.

Sealing, Research, and Contingencies

His scientific expertise supports traps, prepared techniques, and manipulation of other people’s abilities 174 275 280.

  • Tampered with a Yin-Yang Transformation Jutsu scroll; Moriyue’s investigating clone is destroyed when it opens the scroll 174.
  • Places methods within Naruto’s seal space intended to force the Nine-Tails to obey 275.
  • Creates a clone using a living person as part of a prepared failsafe 278.
  • Pre-seals a technique that activates under specific conditions during Danzo’s Kotoamatsukami attempt 280.
  • Interprets the Reaper Death Seal as a transaction with the Shinigami, but avoids risking possible existential erasure through direct divine experimentation 230.

Equipment / Weapons / Items

  • Kusanagi Sword — Used in mouth- and tongue-delivered attacks, including the strike that pins four-tailed Naruto 123.
  • Small black messenger snake — Given to Moriyue; carries the signal that summons him to Orochimaru’s confrontation with Itachi 168.
  • Sharingan specimen — Secretly supplied to Moriyue, who subsequently reproduces it on his tentacles 128 196.
  • Danzo’s letter and ANBU roster — Accepted from Moriyue as useful intelligence for their cooperation 124.
  • Itachi’s eyes — Obtained and merged into Sasuke’s possessed body to develop Eternal Mangekyo Sharingan 279 280.

Relationships

  • Moriyue — Initially a coveted vessel, later a research partner and conditional ally. Each recognizes the other’s usefulness without treating their agreement as genuine friendship 104 119 168 262.
  • Sasuke Uchiha — Student, intended vessel, and resistant host. Orochimaru eventually exploits his surviving consciousness and hatred of Danzo rather than relying only on suppression 144 165 279.
  • Kabuto — Former assistant who deeply admires him. After leaving, Kabuto moves his research materials, secretly develops forbidden techniques, and becomes an independent researcher whose improvements attract Orochimaru’s attention 124 226 227 268.
  • Itachi Uchiha — A major obstacle to his possession scheme and the source of the eyes he seeks. Itachi seals part of him but fails to eliminate every fragment 168 262 279.
  • Yamato — Former experimental subject whose Wood Release is tied to Orochimaru’s research; determined to prevent further victims 123 124.
  • Danzo — Offers covert cooperation through ANBU intelligence, then becomes the target of the Sasuke–Orochimaru shared body 124 279 280.
  • Nagato / Pain — Former organizational leader who demands proof of his usefulness. Their later cooperation involves Naruto, Tailed Beasts, and discussion of reproducing the Rinnegan 181 195 223.
  • Zetsu — Research connection reported by Nagato; Zetsu’s First Hokage-cell characteristics are a likely point of interest, though the collaboration’s specifics remain unclear 195.
  • Yugito Nii and Ajisai — Distrust him despite his alliance with Moriyue. He helps recover Yugito, but his scientific interest in her altered condition does not reassure either woman 228 251.
  • Obito Uchiha — At times an opposing schemer, later a collaborator in taking Six Paths power from Madara 228 300.
  • Hoshikage — Both an investigative target and a covert bargaining partner. Orochimaru trades assistance with Naruto’s seal for an attack intended to draw Moriyue out of Kumogakure 206 275.

Notable Quotes

“Pleasure cooperating with you.” 119

“Shut up! No one can command me. I am the immortal Orochimaru, invincible!” 145

“The Ninja World has been getting more and more interesting lately. Come on, the more chaotic it becomes, the better...” 251

Appearances

740
Total Mentions
110
Chapters Appeared
6.73
Avg. per Chapter