Mei Terumi

Biodata

Feature	Information
Name	Mei Terumi (照美冥)
Alias(es)	Fifth Mizukage
Gender	Female
Affiliation	Kirigakure; Terumi Clan
Occupation/Role	Fifth Mizukage; leader of the Terumi Clan
Status	Alive
First Appearance	Chapter 33

Power Progression

Stage / Realm / Level	Chapter	Notes
Lava Release	44	Already possesses the Water-and-Earth fusion Kekkei Genkai; uses Lava Release: Lava Globs Technique to kill a Konoha ninja. Her lava is milky-white, viscous, corrosive, adhesive, and able to solidify rapidly. 44
Fire Release nature transformation	268	After nearly a year of training, masters Fire Release nature transformation and begins attempting to add it to Lava Release. 268
Boiling Release	313–314	Creates a second Kekkei Genkai by fusing Water and Fire chakra; its corrosive power is stated to potentially exceed her Lava Release. 313 314
Corrosion Release	409	Successfully fuses Water, Fire, and Earth chakra into a grayish-white Kekkei Tōta capable of visibly melting chakra-resistant shackles. 409
Corrosion Release: Mist Dragon	515	Uses the still-unstable Kekkei Tōta to become a nearly hundred-meter mist dragon, devastating the Kaki Clan’s main force. The strain severely damages her meridians. 515 518

Background

Mei was a Kirigakure shinobi of the same generation as Kakashi and Qi Shuang. She graduated before Qi Shuang, fought on the battlefield before him, and insisted on being regarded as his senior despite their similar age. 5 7 40

As a child, she served under Ao alongside Zabuza and Qi Shuang. Her harmless appearance routinely caused enemies to underestimate her; she exploited this through feigned vulnerability before killing a distracted Konoha ninja with a kunai. 33 41

She inherited or otherwise possessed Lava Release early in life. Later, she independently pursued additional chakra transformations, motivated by the ambition to surpass the limits of her ancestors and create a Kekkei Tōta. 42 110 111

Appearance

Mei grows from a cute, brown-haired girl into a poised adult woman frequently seen in a blue dress. By the Kirigakure Civil War, her position as the Terumi Clan’s leader gives her a noticeably mature and commanding presence. 33 176 424

• Brown hair in childhood. 176
• Often wears a blue dress as an adult. 387 398
• Her beauty is repeatedly used to disarm or distract others, though she resents being treated as harmless. 41 206
• Carries herself with greater authority after assuming leadership of the Terumi Clan. 424 426

Personality

Mei is proud, headstrong, and quick to retaliate when slighted. As a child, she repeatedly bullied Zabuza, threw tantrums when Qi Shuang scolded her, and used her charm or sweet demeanor when she wanted something from Ao. 40 44 59

Her playfulness does not weaken her resolve. She uses deception without hesitation in battle, refuses to reveal Qi Shuang’s whereabouts to Tobi despite being injured, and remains defiant during imprisonment. 41 400 401

She is deeply compassionate toward Kirigakure’s civilians and struggles with decisions that sacrifice immediate kindness for long-term stability. This compassion later develops into a reluctance to continue needless killing during the civil war. 160 210 512

As a leader, Mei is pragmatic and restrained. Even after her father is killed in the Hozuki coup, she prioritizes the survival of the Terumi Clan over immediate revenge. 386 392

Abilities & Skills

Lava Release

Mei’s Lava Release fuses Water and Earth chakra into milky-white corrosive mucus rather than conventional molten lava. It can dissolve metal, bind targets, harden into protective structures, and reshape the battlefield. 42 44

• Lava Release: Lava Globs Technique — Fires corrosive mucus capable of engulfing and dissolving targets. 44
• Lava Release: Lava Monster Technique — Produces large quantities of mucus for attacks, barriers, and battlefield control. 48 53
• Lava Release: Sticky Dragon Technique — Shapes a surge of mucus into a dragon-headed attack. 464
• Can rapidly solidify the mucus into walls, armor-like barriers, or a protective egg. 106 176
• Creates slime domains that restrict enemies while allowing Mei to move safely through chakra-coated footing. 463 474
• Its corrosive strength is not absolute; highly resistant materials and chakra-resistant restraints can withstand it. 110 404

Boiling Release

Mei created Boiling Release by combining Water and Fire chakra. Its primary form is a highly corrosive acid mist that can fill enclosed spaces and dissolve objects within seconds. 313 314 388

• Boiling Release: Skillful Mist Technique — Releases acid mist quickly enough to threaten opponents at close range. 400
• The mist dissolved Tobi’s glove and forced him to retreat rather than risk direct contact while attempting spatial absorption. 388
• Mei planned to use Boiling Release from the rear to counter Tobi’s space-time techniques during the civil war. 429
• Its diffusion makes it effective over a wide area, but reduced concentration limits its ability to destroy concentrated enemy formations. 515

Corrosion Release

Corrosion Release is Mei’s self-created Kekkei Tōta, formed from Water, Fire, and Earth chakra. It manifests as grayish-white mist and possesses corrosive power far above Lava Release or Boiling Release. 405 409 428

• Can rapidly erode chakra-resistant shackles that resisted both Lava Release and Boiling Release. 404 409
• Leaves treated material structurally fragile; a table corner exposed to its mist crumbles into ash when struck. 428
• Mei claims even diamond becomes fragile before it. 428
• Mist Dragon — Envelops Mei in a massive dragon-shaped body of Corrosion Release for large-scale battlefield destruction. 515
• Remains unstable and dangerous to use; her body rejects the technique and suffers severe meridian erosion. 515 518
• Further use risks permanent damage that could cripple her ability to perform ninjutsu. 518

Water and Earth Release

Mei is proficient in Water and Earth Release apart from their use in Lava Release. She can employ Water Release defensively or offensively when her corrosive techniques would endanger allies. 263 456 470

• Uses Water Release to suppress Obito’s enhanced Fire Release. 456
• Uses Water Release: Water Dragon Bullet Technique when Lava Release would threaten Rin’s reanimated body. 470
• Uses Earth Release: Flowing Rock Fist while fighting Obito. 465
• Uses Water Release: Iron Cannonball against Hozuki Mangetsu’s heat-generating clone. 481

Tactical Leadership

Mei develops from a frontline shinobi into a capable clan and village leader.

• Organizes Terumi Clan defenses, spies, evacuations, and alliance talks following the Hozuki coup. 387 394
• Leads more than 3,000 Terumi-affiliated ninja to confront the Hozuki Clan alongside the Hoshigaki forces. 390
• Plans a decapitation strike against Hozuki leadership and entrusts Qi Shuang with the assassination team. 428
• As Mizukage, oversees reconstruction, reforms Kirigakure’s outdated Killing Rules, and prepares the village for war against Akatsuki. 590 592 698

Relationships

• Qi Shuang — Former classmate, teammate, closest friend, and collaborator in chakra-fusion research. Their bond is marked by mutual teasing, trust, and repeated efforts to protect one another. 40 268 401 429
• Ao — Former captain and mentor. Ao treats Mei with fatherly concern during her imprisonment and escape, while Mei continues to address him as “Captain.” 72 403 409
• Momochi Zabuza — Former teammate whom Mei frequently teased in childhood. He later helps rescue her from prison, though he insists that he did so for practical reasons rather than friendship. 40 411 412
• Haku — Zabuza’s companion. Mei recognizes him immediately after her prison escape and jokingly laments that his beauty belongs to a boy. 411
• Tobi / Obito Uchiha — Enemy who infiltrates the Terumi Clan, imprisons Mei, and seeks to use her as leverage against Qi Shuang. Mei repeatedly counters him with corrosive techniques and refuses to cooperate. 388 400 471
• Hozuki Mangetsu — Initially a political and military adversary during the civil war. He later influences the vote that results in Mei becoming Fifth Mizukage. 390 525
• Terumi Clan — Mei becomes the clan head’s successor after demonstrating dual Kekkei Genkai and later leads the clan through the Hozuki coup and civil war. 385 386

Story Role / Major Arcs

Third Shinobi World War

Mei serves in Ao’s squad with Zabuza and Qi Shuang. Despite her age and appearance, she is already a lethal combatant whose Lava Release can erase enemies without leaving remains. 41 44

Pursuit of Kekkei Tōta

After learning of Dust Release and higher-order chakra fusion, Mei resolves to surpass her predecessors. She spends years mastering Fire Release, repeatedly fails to fuse three chakra natures, and nearly dies three times from chakra collisions. 110 111 268 269

Her research first produces Boiling Release, confirming that her fusion path is viable. 313 314

Kirigakure Coup and Imprisonment

When the Hozuki Clan launches a coup and her father is killed among the guards, Mei returns to stabilize the Terumi Clan. She forges an alliance with the Hoshigaki Clan, organizes defenses, and attempts to preserve her clan amid the political crisis. 385 387

Tobi later deceives Mei by disguising himself as Ao and lures her into a prison rescue attempt. Imprisoned with Ao and deprived of most of her chakra, she creates Corrosion Release to break free. 400 410

Kirigakure Civil War

After reuniting with Qi Shuang, Mei leads the Terumi faction against the Hozuki and Kaki clans. She coordinates assassination operations, confronts Tobi, and fights Kakuzu and Hozuki Mangetsu despite being outmatched. 426 428 477

She deploys Corrosion Release: Mist Dragon against the Kaki Clan, destroying most of its main force but suffering severe meridian damage. 515 517 518

Fifth Mizukage

Following the war, Mei is elected Fifth Mizukage by a six-to-four vote despite initially wanting Qi Shuang to take the position. The Terumi, Kaki, and Hozuki representatives collectively accept her leadership. 525

As Mizukage, she oversees Kirigakure’s reconstruction, reforms its political system and ninja promotion rules, and prepares the village’s forces for the Five Kage alliance’s campaign against Akatsuki. 590 592 698

Notable Quotes

“If others can develop Dust Release, which fuses three nature transformations, why can't I try!” 111

“No one knows the outcome until the last moment! Are you giving up already, Captain?” 410

“Reform is the general trend. Only through reform will Kirigakure have a future!” 314

Trivia

• Mei is stated to be the same age as Kakashi. 5 7
• She is portrayed as likely the first person in history to possess two Kekkei Genkai. 42
• Her Lava Release is explicitly distinguished from Melting Release; it is a milky-white, corrosive Water-and-Earth fusion. 42
• Mei’s first attempt at Corrosion Release succeeds while she is imprisoned and mentally exhausted. 405 409
• Her medical prognosis after overusing Corrosion Release gives her only four to five years before her meridians may fail without a solution. 518