Mei

Biodata

Feature	Details
Name	Mei (梅)
Alias(es)	Raiden Mei; Queen of Thunder; Herrscher of Thunder; Herrscher of Origin
Species/Race	Human / Herrscher 109 121
Gender	Female
Affiliation	World Serpent (joined following the Arc City confrontation) 125
Occupation/Role	Valkyrie; Herrscher 99 121
First Appearance	57

Power Progression

Stage / Realm / Level	Chapter	Notes
Herrscher of Thunder / Queen of Thunder	121	Accepts the Herrscher power within her after defeating Imaginary Husk: Nihilus; her full Herrscher form manifests and she gains Kurikara's power.
Herrscher of Origin	619 620	Accepts Origin as her path and completes a ritual walk through the Thirteen Flame-Chasers' legacy; Elysia confirms that Mei had always been the Herrscher of Origin, and Mei's combat suit transforms.

Background / History

Arc City and Kiana's Rescue

During the attack on Schicksal headquarters, Theresa neutralizes the bomb implanted in Mei, allowing her to focus entirely on rescuing Kiana. While clearing Honkai Beasts aboard the ship, Mei receives temporary support from the Herrscher of the Void. 57

After Kiana is overtaken by the Herrscher of the Void, Mei is captured and forced into battle against her. The Third Herrscher personality lends Mei its power; Mei answers by declaring that she will never abandon Kiana. 58

Mei later searches flooded Arc City for Kiana, protecting local children and confronting Raven over Kiana's fate. Raven reveals that Kiana's condition is failing under the strain of multiple sealed Herrscher cores, pushing Mei toward a desperate solution. 110 112

Kevin offers Mei the chance to become the Herrscher of Thunder again, removing the Gem of Conquest's burden from Kiana. Mei accepts, willing to return to “darkness” so that Kiana can live. 117

Separation from Kiana

After awakening as the Queen of Thunder, Mei fights Kiana in Chang Kong City. Although she initially attacks Kiana without restraint, she ultimately returns to save her before entering World Serpent. 121 124 125

Her decision is not presented as mind control or coercion: Mei explicitly tells Kiana that she is clear-headed and that entering World Serpent is her own choice. 123

Elysian Realm

Mei enters the Elysian Realm seeking answers about Honkai, the Previous Era, and herself. Guided by Elysia, she encounters the memory bodies of the Flame-Chasers and receives their Signets and inheritances. 249 250 251

Her time in the Realm transforms her from an isolated visitor into a trusted ally of its inhabitants. She battles Mobius, Raven, Vill-V, and the Herrscher of Corruption, while repeatedly using deduction and force to expose falsehoods within the data space. 291 458 467 470

Mei refuses to accept the Herrscher of Corruption's imitation of Elysia, insisting that copied appearance, speech, and memories cannot recreate Elysia herself. 469

Origin

During the Stigmata Project crisis, Mei confronts her past Herrscher persona and defeats her without rejecting her as an enemy. The persona acknowledges Mei as the stronger self and sends her onward. 614 615

Within her own Herrscher Core, Mei reunites with a projection of Elysia and learns that Vill-V's preparations were meant to awaken Origin's authority through Mei's legacy and memories. 618

Mei ultimately accepts the title of Herrscher of Origin and inherits the will of the Thirteen Flame-Chasers. 619 620

Appearance

In her full Herrscher of Thunder form, Mei's presence becomes markedly more imposing, replacing her earlier gentle and uncertain demeanor with the aura of a Herrscher. 121

• Long, waist-length flowing hair. 121
• Rose-colored eyes lit by purple lightning. 121
• Demonic horns and a transformed armor-and-cape combat suit. 121
• A broken divine ring and floating armor-like hands accompany her Thunder form. 121
• As Herrscher of Origin, she wears white armor with gold trim and armor-like protective gear, with a divine ring suspended behind her. 620

Personality

Mei is compassionate and protective, particularly toward children and those endangered by Honkai. She promises to recover a child's lost pendant, worries first for the children of the Nest when Arc City's waters rise, and helps escort Kong to safety during Benares's attack. 110 111

Her devotion to Kiana is her defining motivation. Mei repeatedly chooses danger, power, and separation for Kiana's survival, even when she understands that her choices will cause Kiana pain. 58 117 123

Over time, Mei becomes more direct, strategic, and self-assured. In the Elysian Realm, she develops a reputation for careful deduction, identifies flaws in opponents' claims, and refuses answers imposed on her by Mobius or the Herrscher of Corruption. 288 404 470

Abilities & Skills

Herrscher of Thunder Authority

Mei commands lightning and fully manifests as the Queen of Thunder after accepting her Herrscher power. 121

• Rides Kurikara through the skies over Chang Kong City. 122
• Uses Kurikara's projectiles and dragon breath against groups of enemies. 122
• Can unleash a large-area sword attack as her ultimate technique. 122
• Employs lightning-based movement, shadow clones, lightning orbs, and Time Fracture in combat. 123
• Her Herrscher power allows the Judgement of Shamash to change form in her hands. 215

Herrscher of Origin Authority

Mei's Origin authority is tied to Elysia's legacy, her own memories, and her Herrscher Core. 618 620

• Reaches the land of Origin and reunites with Elysia's projection. 618 620
• Inherits the will and recognition of the Thirteen Flame-Chasers. 620
• Gains a new Herrscher of Origin combat suit distinct from Elysia's own style. 620

Swordsmanship and Combat

Mei is a capable Valkyrie and swordswoman who continues fighting even against opponents above her initial level. 75 99

• Battles Rita, though she is defeated and forced to escape using smoke screens. 75
• Refuses Durandal's order to surrender Kiana and challenges her directly. 99
• Defeats Raven after accepting her Herrscher identity, changing their earlier power dynamic. 291
• Cooperates with Sakura to create an opening for a Judgement of Shamash strike against the Herrscher of Corruption. 473

Deduction and Analysis

Mei is repeatedly recognized for her analytical ability, to the point that others compare her to the Herrscher of Reason. 404 446

• Identifies that a false Kiana and Bronya are part of a dream through their unnatural behavior. 602
• Deduces instability in the corrupted Elysian Realm by damaging its data structure. 470
• Uses clues from Flame-Chasers' memories to investigate the Deepest Part, Dusk Street, and Elysia's identity. 393 404 410

Equipment / Weapons / Items

• Katana — Mei's primary weapon in direct combat. 99 123
• Judgement of Shamash — Raven's God Key; it transforms into a form suited to Mei when she holds it and is later used in the plan against the Herrscher of Corruption. 215 473
• Flame-Chaser Signets — Inheritances received during exploration of the Elysian Realm, including Kalpas's Decimation Signet. 251 265
• Universal Key and Persona Magic Cards — Items used while investigating Vill-V's hidden space in Eternal Elysium. 414

Relationships

• Kiana — Mei's closest companion and central motivation. Mei becomes the Herrscher of Thunder again to save Kiana, leaves her to pursue that goal, and later supports Kiana's choices and destiny. 117 123 614
• Raven — Initially an enemy in Arc City, later a recurring rival and uneasy ally. Their repeated battles develop into mutual respect despite opposing ideals. 112 291 529 611
• Elysia — Mei's guide through the Elysian Realm and the person most closely tied to her awakening as Herrscher of Origin. Their relationship grows into mutual affection and respect. 250 619 620
• Kevin — Offers Mei the path to reawakening as the Herrscher of Thunder and brings her into contact with World Serpent's methods. 117
• Tesla — Accompanies Mei in Arc City and helps investigate the disaster surrounding Kiana and the Nest. 108 111
• Sakura — A Flame-Chaser ally who fights alongside Mei against the Herrscher of Corruption and entrusts her with the decisive strike plan. 412 473
• Bronya — A longtime companion whom Mei works with during the Theater of Domination crisis and later Stigmata Project events. 233 553

Notable Quotes

“Let me walk into darkness, in exchange for you returning to the light.”

— Mei to Kiana 123

“—Answer me, Elysia!”

— Mei 618

“I've always wanted, really wanted to see you again. To tell you my answer, to tell you I've found my path forward, to tell you… I will never forget.”

— Mei to Elysia 619

Trivia

• Mei is notably good with children; her care for the children of the Nest leads others to speculate that she could have become a teacher in another life. 110
• Flame-Chasers repeatedly joke that Mei's investigative skill makes her better suited to be the Herrscher of Reason than the Herrscher of Thunder. 404 446
• Mei is unusually resistant to accepting explanations forced upon her, stating that she will find her own path rather than accept answers from Mobius. 288