Sirin

Biodata

Feature	Value
Name	Sirin (西琳)
Alias(es)	Pufferfish; Queen
Species/Race	Human experimental subject; Herrscher
Gender	Female
Affiliation	Enoshia; Bella; later cooperates with the Hyperion group
Occupation/Role	Herrscher of Void; bearer of multiple Herrscher Cores
Status	Active 449
First Appearance	Chapter 4 4

Power Progression

Stage / Realm / Level	Chapter	Notes
Herrscher of Void	6	Fully awakens after entering the egg seventeen kilometers from Babylon Tower and reliving her traumatic past.
Dual-Core Herrscher — Void and Thunder	9	Automatically absorbs the Herrscher of Thunder's Core, gaining control of lightning; Enoshia identifies her as uniquely able to bear two cores.
Four-Core Herrscher	22	Is described as a Four-Core Herrscher while suppressing the three-core Herrscher of Frost; the additional cores are not identified in the available account.
Dual-Core Herrscher	144	Absorbs the Serenity Gem again and is described as a Dual-Core Herrscher before challenging Pardofelis.
Dual-Core combat output: ~4800 HW	209	Her two-core baseline is approximately 4800 HW, though she can exceed 5000 HW when going all out; the Herrscher of Ice's 5885 HW output unsettles her.
Ascended Herrscher	449	Joins Bronya and the Herrscher of Reason as one of three Ascended Herrschers guiding Honkai Energy to Seele.

Background / History

Sirin was an orphan subjected to Schicksal's Babylon Laboratory experiments. After losing her mother and being forcibly separated from graves she wished to visit, she came to view revenge against Schicksal as the sole purpose left in her life. She absorbed Honkai Energy within Babylon Tower, followed a call to a mysterious egg, and emerged as the fully awakened Herrscher of Void. 5 6

Enoshia approached Sirin shortly after the Second Honkai Outbreak began, offering help while refusing to deny her right to seek revenge. The two agreed that Sirin could attempt to destroy Schicksal herself, but Enoshia would intervene if Sirin faced mortal danger. 4 Enoshia later rescued Sirin and Benares, then gave Sirin the Herrscher of Thunder's Core; Sirin absorbed it immediately. 8 9

Though initially driven by rage, Sirin repeatedly acts to protect others. She destroys an Emperor-class Honkai Beast to save a village, instructs Valkyrie Olga to protect the Stigmata bearer Ivan, and ultimately joins efforts against other Herrschers when their attacks threaten civilians. 18

Enoshia later helps Sirin confront her trauma and preserve her kindness, transferring Sirin's soul into K423 and bringing the clone to life. 122 By the conflict with the Herrscher of Thousand People, Sirin is capable of approaching Theresa and the Hyperion crew for cooperation rather than treating them as enemies. 279

Appearance

Upon fully awakening, Sirin manifests a Herrscher form built from Honkai Energy: a white, form-fitting dress beneath a purple skirt with gold-lined hems. 6

• X-shaped patterns in her pupils. 6
• Bare feet and both legs wrapped in purple bandages. 6
• Purple polygonal anklet on her right ankle. 6
• Feather ornament in her hair. 6
• Wears ordinary clothing when living outside combat, including a long red dress during an outing with Cecilia and Siegfried. 26

Personality

Sirin begins as an impulsive, revenge-driven girl whose hatred of Schicksal stems from the Babylon experiments and the deaths surrounding her childhood. She is quick to gloat after victories, particularly when her multiple cores give her a clear advantage, but her confidence often becomes recklessness. 6 22 32

Her cruelty toward Schicksal does not extend indiscriminately to civilians. She recognizes that Olga was uninvolved in Babylon, protects Ivan from being taken by Schicksal, saves a child from a runaway car, and assists K423 when researchers pursue her. 18 95

Over time, Sirin becomes more thoughtful and cooperative. Rather than confronting Enoshia solely with force, she analyzes the failure of the Previous Civilization against Finality and uses Imaginary Space to create an advantageous battlefield. 115 She later seeks the Hyperion's assistance against the Herrscher of Thousand People, earning Theresa's recognition for her maturity. 279

Abilities & Skills

Herrscher of Void Authority

Sirin's primary Authority governs space, allowing her to create portals, relocate herself and others, and manipulate Imaginary Space.

• Teleports over long distances, though her first seventeen-kilometer jump leaves her exhausted. 6
• Opens portals to move allies, enemies, and objects; she sends Kiana to Shenzhou through one. 220
• Creates Void Lances capable of striking Enoshia even after Enoshia digitizes her body. 116
• Pulls opponents into Imaginary Space and prevents Enoshia from escaping it through teleportation. 115
• Repairs a broken bridge in a World Bubble, establishing communication with Durandal on the Moon. 408
• Summons hundreds of Honkai Beasts through portals when confronted by armed researchers. 95

Herrscher of Thunder Authority

After absorbing the Herrscher of Thunder's Core, Sirin gains lightning manipulation. 9

• Strikes the Herrscher of Frost with lightning powerful enough to leave it smoking. 22
• Uses lightning alongside spatial attacks when suppressing Herrscher-level opponents. 23
• Her Thunder Core contributes to her resistance against corruption-based threats. A Quasi-Herrscher of Thunder Core protects Bella with an electromagnetic barrier that blocks corruption. 99 100

Multi-Core Compatibility

Sirin possesses an unusually compatible constitution for Herrscher Cores; Enoshia considers her likely the only person capable of bearing two cores safely. 9

• Reaches four-core status during the battle against the Herrscher of Frost. 22
• Can form a Quasi-Herrscher Core through visualization, though she explains the method only as imagining a core. 164
• Her power does not scale linearly with each additional core; despite holding two cores, her normal output is around 4800 HW. 209

Mental Perception

Sirin can read thoughts, though not perfectly or without countermeasures. 118

• Enoshia evades her by constructing a “surface” personality whose thoughts imitate Sirin while concealing deeper intentions. 118
• Her own will and Herrscher-level defenses allow her to resist Enoshia's attempted corruption. 116

Limitations

• Wasteful use of Honkai Energy leaves Sirin exhausted and vulnerable; the Herrscher of Ice pierces her heart after she overextends herself in pursuit. 32
• Her first long-range teleport drains her strength heavily. 6
• The Herrscher of Frost resists one of her teleportation attempts despite being restrained by Void Lances. 23
• She relies heavily on intuition and imagination to use Herrscher Authority, struggling with technical explanations. 424

Relationships

• Enoshia — Her earliest ally and most important friend. Enoshia supports Sirin's revenge while trying to keep her from being consumed by hatred; Sirin later declares that Enoshia matters more to her than the world. 4 6 116
• Bella / Benares — Sirin's Judgment-class Honkai Beast and devoted attendant. Sirin restores Benares with Honkai Energy, names her Bella after she takes human form, and protects her from danger. 9 23 32
• Cecilia — Initially an enemy associated with Schicksal, later revived as a Memory Body and accepted as Sirin's mother figure. Cecilia calls Sirin her daughter. 26 46
• K423 — A Kiana clone whom Sirin rescues from researchers in a World Bubble; Sirin learns that K423 was created in a laboratory and that Kiana had reportedly died three years earlier. 95
• Kiana Kaslana — Sirin heals Kiana after Enoshia's intervention and is later acknowledged by Kiana as an older sister. 151 310
• Theresa Apocalypse — Initially a Schicksal opponent investigating Babylon Laboratory; their relationship improves enough for Sirin to request cooperation against the Herrscher of Thousand People. 4 279
• Ivan — A young natural Stigmata bearer Sirin protects by ordering Olga not to surrender her to Schicksal. 18
• Pardofelis — A Flame-Chaser challenged by Sirin after she regains dual-core status; Pardofelis surrenders after being easily defeated. 144

Story Role / Major Arcs

Second Honkai Outbreak

Sirin awakens at Babylon Tower, absorbs the Thunder Core, and becomes a central Herrscher during the altered Second Honkai Outbreak. Her conflict with Schicksal is tempered by Enoshia's interventions and by Sirin's growing awareness that not every Valkyrie shares responsibility for Babylon's crimes. 6 9 18 23

Battles Against the New Herrschers

Sirin assists against the Herrscher of Frost and later recklessly pursues the Herrscher of Ice. Her near-fatal defeat teaches her that raw power and multiple cores do not excuse poor energy management. 22 32

World Bubble and Atlantis Conflict

Separated from Enoshia and Bella in a World Bubble, Sirin saves a child and helps K423 evade capture. She later confronts alternate Enoshia fragments, resists corruption, and uses Imaginary Space to counter Enoshia's plans. 95 115 116 119

Cooperation Against Later Threats

Sirin retrieves the Serenity Gem, defeats Pardofelis in the Elysian Realm, aids Enoshia's broader plans against Finality, and becomes willing to coordinate with former enemies. 144 279

World Bubble Reconstruction

Sirin repairs infrastructure in her World Bubble and establishes contact with Durandal on the Moon, sharing information about Dr. MEI's plan to save the World Bubbles. 408

Creation of the Herrscher of Life and Death

As one of three Ascended Herrschers, Sirin helps guide Honkai Energy to Seele so that two Herrscher Cores can condense simultaneously, creating the Herrscher of Life and Death. 449

Notable Quotes

“I want revenge! Not a single one of those Schicksal bastards gets to live ☆!” 6

“All I know is... in my heart, you matter more than this world!” 116

Trivia

• Sirin is called a “Pufferfish” because of her tendency to become smug and puffed-up after winning. 4 22
• She enjoys watching television while eating fried chicken. 46
• She becomes absorbed in the Elysian Realm's trials as if they were an immersive game. 58
• She struggles with cooking; her first attempt at separating eggs ends with her crushing one in her hand. 70
• Her school exam result is second-to-last, ahead only of Kiana, who did not attend school. 130