Yamato

Biodata

Feature	Details
Name	Yamato (大和)
Alias(es)	Kozuki Oden, formerly used as her own identity; Uchiha Yamato, a self-adopted name inspired by Senga 128 136 142.
Species/Race	Oni Clan 127.
Gender	Female; raised as a boy by Kaido and initially identifies herself as male through her identification with Oden 128.
Age	Early twenties during her visit to Konoha 407.
Height	2.6 meters 142.
Affiliation	Accepted into the Marines alongside Ace; later fights among the Shichibukai at Marineford 142 260.
Occupation/Role	Senga’s self-proclaimed disciple; trainee under Zephyr; Shichibukai 135 260 395.
Devil Fruit	Dog-Dog Fruit, Model: Okuchi no Okami — Mythical Zoan 132.
Family	Kaido — father 127.
Residence	Originally confined on Onigashima; later moves into Senga’s palace at Marine Headquarters 127 406.
Status	Alive at her latest documented appearance 492.
First Appearance	Chapter 127; previously mentioned in Chapter 74 74 127.

Power Progression

Stage / Realm / Level	Chapter	Notes
Ordinary Shichibukai-level strength while restrained	127	Senga assesses her cold-infused club attack as strong enough to contend with ordinary Shichibukai.
Restraints removed	129	Senga removes her explosive handcuffs. The narration suggests they contain Seastone, restrict full Zoan transformation, and substantially suppress her combat power.
Upper-tier Shichibukai combatant	260	Uses a half-Zoan transformation at Marineford. Despite her strength, Katakuri defeats her through superior experience and predictive Observation Haki.
Advanced ice control through systematic training	395	Zephyr praises her rapid improvement and compares her ice control favorably with Kuzan’s. She creates defensive ice walls and challenges Zephyr in hybrid form.
Peak Shichibukai-level strength	409	Explicitly described as having reached the peak of Shichibukai strength after years of training. Overwhelms Sasuke while holding back.

Background / History

Childhood on Onigashima

Kaido raises Yamato as a boy, repeatedly beats her, and restricts her freedom with explosive handcuffs. Her childhood confinement helps make Oden’s diary a source of emotional support; she becomes devoted to Oden and begins calling herself Kozuki Oden 127 128 129.

Although she wants to see the outside world, she also waits for the salvation of Wano predicted in Oden’s diary. Leaving independently presents practical obstacles: she cannot swim, has no sailing experience, does not know the route, and has no ship available 130.

Meeting Senga and Leaving Wano

Yamato attacks Senga and Kalifa after their arrival on Onigashima. Senga crushes her ranged ice attack, then confronts her identification with Oden. He punches her in the stomach and chest, forcing her to acknowledge herself as Yamato and a woman; Kalifa is uncomfortable with his methods 127 128.

Senga subsequently removes her handcuffs with the Ope Ope no Mi and moves her to safety before they explode. Their destructive power convinces Yamato that Kaido’s restraints could have killed her. She mistakes Senga’s protection for romantic interest, producing an awkward misunderstanding involving Kalifa 129.

During their argument about Oden, Senga challenges his refusal to seek help and Yamato’s dependence on a prophecy. Her admiration for Oden weakens, and she resolves to travel and become stronger. Senga initially refuses to take her, but relents after her persistent pleading 130 131.

When Kaido arrives, Yamato urges Senga to escape rather than face him. Senga instead places her and Kalifa inside his Door-Door Space and defeats Kaido. Despite her resentment toward her father, Yamato tearfully asks that his life be spared. After leaving Wano, she thanks Senga and begins calling him “Master” 131 134 135.

Marineford and Training

At Marineford, Senga reveals Yamato’s parentage and recommends her potential to Sengoku. Sengoku accepts her and Ace into the Marines despite their fathers’ identities. Learning that Yamato possesses a Mythical Zoan further strengthens his interest in her 142 143.

During the Marineford War, Yamato avoids attacking the Beasts Pirates and targets the Big Mom Pirates instead. Katakuri throws her onto the ice, prompting Gion to warn her against carelessness. Yamato immediately challenges him again in hybrid form and suffers another defeat 260.

After Senga’s return to the battlefield, Yamato pressures Kaido to surrender while visibly worrying about him. She then taunts him until King intervenes. Senga instructs her to tell Kaido to leave and keep his subordinates under control 266.

Zephyr becomes responsible for her systematic training. When Senga later watches their sparring match, she demonstrates markedly improved ice control, but Zephyr disarms her with a powerful punch. Senga catches her and reprimands her for overexerting herself 395 396.

Visit to Konoha

After moving into Senga’s palace, Yamato persistently asks to visit another world. Senga takes her to his home in Konoha, where she meets the pregnant Kaguya. Initially shocked by Senga’s family life, Yamato establishes friendly relations with Kaguya and forms a sisterly bond with Black Zetsu 406 407.

An accidental collision with Sasuke leads to a challenge. Yamato overwhelms him physically, then uses a restrained Thunder Bagua when he refuses to stop. Naruto takes the injured Sasuke to the hospital. Yamato reports the incident to Senga, who reassures her that she has not caused a serious problem 407 408 409 410.

She subsequently exchanges attacks with Itachi, whose pursuing Tomoe force her to use Armament Haki 411.

Appearance

• Build: A towering, physically powerful woman standing 2.6 meters tall 142 407.
• Hair: Long and white 406.
• Horns: A conspicuous pair of crimson horns identifying her Oni heritage 127 142.
• Eyes: Described as amber at Marineford and golden during her meeting with Kaguya 142 406.
• Clothing: Initially dresses in the same style as Kozuki Oden 128.
• Hybrid form: Appears as a white, humanoid beast during her sparring match with Zephyr 395.

Personality

Yamato is straightforward, proud, and impulsive. She attacks when embarrassed by Senga and Kalifa discussing her, rushes Katakuri despite Gion’s warning, and accepts direct clashes with Zephyr partly to vent her frustration. Her persistence also gets results: she persuades Senga both to take her away from Onigashima and to bring her to Konoha 127 131 260 395 406.

Her devotion shifts from Oden to Senga. She adopts the name “Uchiha Yamato,” repeatedly calls Senga “Master,” and interprets his protective gestures as evidence that he likes her. She later explains that the title matters because it is unique and helps secure his attention. Her admiration has an openly romantic dimension, including an embarrassed suggestion that their bloodlines might be compatible 136 142 395 406.

Her feelings toward Kaido combine resentment, fear, and attachment. She welcomes the prospect of Senga beating him, yet cries when his life is threatened and tries to keep him from being imprisoned. Their concern for one another is frequently expressed through hostile words and teasing 134 250 266.

Yamato recognizes abilities she lacks. Watching Kalifa and Robin coordinate a response to the sudden disappearance of daylight, she admires their administrative competence and privately believes she would create chaos if governing were left to her 492.

Abilities & Skills

Dog-Dog Fruit, Model: Okuchi no Okami

• Grants a powerful Mythical Zoan transformation; Yamato uses a half-beast form in combat 132 260 395.
• Provides additional ice abilities, which she develops through training under Zephyr 395.
• Had not achieved awakening when she witnessed Senga’s awakened Asura form on Onigashima 132.
• Makes her unable to swim, complicating her original plan to leave Wano 130.

Ice Manipulation

• Heron: Releases a fast, blade-shaped blast of cold air from her ice-infused club. Senga catches and crushes it 127.
• Ice walls: Raises a tall barrier to block Zephyr’s wave of earth 395.
• Unparalleled Ice Fang: Breathes extreme cold that coats its path in thick ice crystals 395.
• Everyday use: Cools scalding tea with a breath of cold air 143.
• Control: Zephyr compares her trained ice control to Kuzan’s, though Yamato considers Senga her ultimate benchmark 395.

Club Combat and Physical Strength

• Divine Foot · White Snake Body: Uses a club strike against Zephyr’s head during their hybrid-form clash. Although she is knocked back, the impact leaves his head buzzing 395.
• Thunder Bagua: Executes a rapid club attack against Sasuke. She stops short of direct contact, but the resulting blow still makes him cough up blood 409.
• Reaction speed: Intercepts Sasuke’s Body Flicker attack with a simple slap despite his active Sharingan 408.
• Restraint: Holds back against Sasuke; the narration states that a full-strength physical blow could have killed him 408.
• Limits: Katakuri’s predictive Observation Haki and greater experience allow him to evade her club strike and counterattack 260.

Durability and Armament Haki

• Her endurance is attributed partly to surviving Kaido’s beatings since childhood 128.
• Withstands Sasuke’s lightning technique with little apparent discomfort 409.
• Uses Armament Haki while countering Itachi’s pursuing Tomoe with her club 411.
• Her durability does not prevent Senga’s ordinary Armament Haki punches from overwhelming her, or Zephyr’s powerful punch from disarming her 128 395.

Equipment / Weapons / Items

• Spiked club / mace — Her primary weapon, used for cold-infused attacks, close combat, and Thunder Bagua 127 395 409.
• Explosive handcuffs, formerly worn — Kaido’s restraints; removed by Senga before detonating. Their suspected Seastone content suppresses her strength without completely disabling her Devil Fruit abilities 129.
• Oden’s diary — Shapes her initial identification with Oden and her expectation that someone will eventually save Wano 127 130.

Relationships

• Uchiha Senga — Liberator, chosen “Master,” and romantic interest. Her attachment persists even though Senga acknowledges that Zephyr, rather than himself, has actually taught her 129 135 395 406.
• Kaido — Father and former captor. Yamato resents his treatment but remains protective of his life 129 134 266.
• Kozuki Oden — Former idol. His diary inspires her adopted identity, which weakens after Senga challenges her interpretation of his actions 127 128 130.
• Kalifa — Comforting, elder-sister figure. Calms Yamato during Senga’s fight with Kaido and continues to dote on her afterward 131 397 492.
• Zephyr — Actual combat instructor. Praises her progress and tolerates her insistence on reserving “Master” for Senga 395.
• Gion — Elder-sister figure who comforts and advises her during the Marineford War 260.
• Ace — Fellow recruit accepted alongside her; shares playful banter and competition with Yamato 142 164.
• Sengoku — Accepts her into the Marines and values both her existing strength and Mythical Zoan potential 142 143.
• Kaguya — Senga’s pregnant partner. Mistakes Yamato for his daughter before apologizing; the two establish friendly relations 406.
• Black Zetsu — Sisterly friend and Konoha companion. Exchanges stories with Yamato and defends her account of Sasuke’s challenge 406 407 410.
• Sasuke — Challenger defeated during her Konoha visit. His refusal to accept their strength gap escalates the encounter 407 408 409.
• Robin — Another woman Yamato addresses as an elder sister; admires her ability to manage headquarters affairs alongside Kalifa 250 492.

Notable Quotes

“No! I've decided on you! Either you kill me today, or you take me with you!”
— Insisting that Senga take her away from Onigashima 131.

“But he's still my father!”
— Explaining why she wants Kaido spared 134.

“Because that title is unique. Only by calling him that can he pay attention to me!”
— Explaining why she calls Senga “Master” 395.