Ling Xi

Biodata

Feature	Details
Name	Ling Xi (凌希)
Alias(es)	Captain; “Demigod Ling Xi”; self-proclaimed Apostle of Goddess Seele 264 300 369
Species/Race	Human transmigrator; later a Fused Warrior 1 144 145
Gender	Male
Affiliation	Mobius's laboratory; Flame-Chasing Moths; later cooperates with Destiny 5 6 371
Occupation/Role	Mobius's personal assistant, researcher, and combatant 5 6 15
Status	Alive 295 296
First Appearance	Chapter 1

Power Progression

Stage / Realm / Level	Chapter	Notes
Ordinary survivor → Aslaug (Top), Level 1	1	Receives the Aslaug Stigmata and uses it alongside Tesla (Bottom). Its initial output is stated to be below one-tenth of Aslaug's full potential.
Infinite Imprint / Fangs V	37	Acquires the Infinite imprint, which increases damage through contracts, then obtains Fangs V; its contract requires a target with favorability of 90 or higher.
Partial Herrscher power	84–85	Sirin grants him part of her power during his battle with the Third Herrscher. Ling Xi subsequently combines Lightning, Space, and Flame powers to eliminate Changkong City's Honkai Beasts.
Conquest Gem and Plague Gem authorities	124	Uses both authorities to eliminate Sasha in under half a minute.
Sasha-gene Fused Warrior	144–145	Mobius implants Sasha's cells to cure Honkai corrosion. The fusion strengthens and rejuvenates Ling Xi, though it temporarily changes him into the apparent form of a young child.
2300 HW core compatibility	146	Tests at 2300 HW—above the cited 2000-HW Herrscher standard—and activates the Space Gem without entering Herrscher form or suffering backlash.
Dual-core endurance	147	Successfully withstands the backlash of operating two Herrscher cores simultaneously.
Iron Cavalry / Time-Space authority	167	Obtains Iron Cavalry, which seals a touched target's active Authority for one minute; it has a 24-hour cooldown. He also receives a Soul Fragment and Time-Space authority.
Seventh Herrscher power	201	Gains the power of the Seventh Herrscher after making a “small deal with Honkai.”
Demigod Ling Xi	264	Absorbs and masters the powers and knowledge of thirteen Herrscher cores, including Elysia's True Self; his Honkai Energy intensity exceeds 10,000.
Past-era Fused Warrior state	294	In the primitive-era arc, he no longer possesses a Herrscher Core but retains Honkai Energy Adaptability above 3000 HW and Sasha's reset-based resurrection ability.
Recovered peak strength	365	Regains his peak strength with the help of a Herrscher Core.

Background

Ling Xi is a transmigrator who awakens in a world threatened by Honkai Beasts and Zombies. Initially unable to fight, he is drawn into a void space by Sirin, receives Aslaug (Top), and immediately returns to confront the Honkai with Dawnbreaker in hand 1.

After rescuing civilians and defeating a Temple-class Honkai Beast, he comes to Mobius's attention. He accepts work in her laboratory while continuing to attend Qianyu Academy, becoming Mobius's assistant and gaining access to the research institute 2 5 6.

Mobius later determines that Ling Xi has no counterpart in any parallel world or world bubble examined through the Second Divine Key, Thousand Worlds Samsara. The result establishes him as an anomalous existence whose origin cannot be located through those worlds 243.

Appearance

Ling Xi's ordinary physical features are not described in the available material. His body undergoes several visible changes following severe Honkai-related injuries and treatments.

• Sasha-cell surgery rejuvenates him into an apparent ten-year-old form, with a childlike voice; Mobius identifies this state as temporary while his Honkai Energy recovers 145 146.
• He later awakens in Yae Sakura's era as a young boy after his resurrection following the destruction of Chiyou 295 296.
• His youthful appearance in later eras is attributed to advanced gene technology rather than ordinary aging 319.

Personality

Ling Xi is protective and inclined to put himself in danger for others. He diverts Honkai Beasts away from civilians, enters a besieged research institute to rescue Mobius and its staff, and searches relentlessly for Seele during the Changkong crisis 2 15 80.

He is initially wary of Mobius's motives and reluctant to expose the source of his powers, but he becomes deeply loyal to her research and goals. He openly supports her even when acknowledging that her work is morally complicated 6 19 34.

His compassion has limits. When he believes Fu Hua or those close to him are being threatened, he becomes decisive and lethal, defeating the Tai Xu Seven Swords and refusing to prioritize their explanation over protecting Fu Hua 316 317.

Abilities & Skills

Stigmata and Elemental Combat

Ling Xi's first power source is Aslaug (Top), used in combination with Tesla (Bottom). The Stigmata directly provides him with its operating knowledge and enables elemental enhancement 1.

• Enchants Dawnbreaker with fire and uses large-scale flame attacks against Honkai Beasts 1 34.
• Channels lightning through weapons and techniques such as Raikiri and Lightning Thousand Paths 15 50 80.
• His early Stigmata output is limited; defeating a Temple-class Honkai Beast nearly exhausts his energy 1 2.

Herrscher Authorities

Ling Xi progressively gains access to multiple Herrscher powers and eventually combines their cores.

• Uses Lightning, Space, and Flame powers together to eradicate the Honkai Beasts of Changkong City 85.
• Activates the Space Gem without transforming and confines its released energy to avoid harming nearby allies 146.
• Wields the Conquest Gem and Plague Gem authorities against Sasha 124.
• Forms spatial wormholes for rapid travel and escape 374 383.
• Temporarily seals a region of space with the Herrscher of the Void Core during the battle against the Herrscher of Finality 263.
• At his demigod peak, merges thirteen cores and accesses their combined knowledge and power 264.

Fused Warrior Physiology

Mobius cures Ling Xi's Honkai corrosion by implanting Sasha's cells. The procedure leaves him substantially stronger and gives him exceptional recovery 144 145.

• Can use Herrscher cores without the former backlash after his recovery 146 147.
• Endures the backlash of using two cores simultaneously 147.
• Sasha's power includes recovery, “infinity,” and reset; even total bodily destruction can be followed by reappearance if Ling Xi retains reset time 294.
• His body naturally remains comfortable to hug—warm in cold weather and cool in heat—despite normal temperature readings 176.

Imprints and Soul Fragments

Ling Xi receives an additional imprint-based power system through Sirin.

• Infinite Imprint — increases damage through contracts with targets 37.
• Fangs V — requires a contract target with favorability of at least 90 37.
• Iron Cavalry — seals every active Authority possessed by a target after direct contact for one minute; it can be used once every 24 hours 167.
• Soul Fragment — can preserve a consciousness as a Hero Stigmata, awaken a Hero Stigmata's consciousness into a soul, or strengthen a soul through consumption 167.

Scientific and Technical Knowledge

Although he often describes himself as unsuitable for intellectual work, Ling Xi assists with laboratory research and contributes technical ideas 110 147.

• Suggests placing Honkai Beast genes into a dormant state before injection to improve Hypervariable Surgery 147.
• Preserves civilization knowledge by helping bury nine civilization spheres throughout Shenzhou 285.
• Recognizes the relationship between martial arts in Shenzhou and the controlled use of Honkai Energy 315 318.
• Begins cultivating Tai Xu Sword Qi to gain a technique that is genuinely his own rather than relying solely on Stigmata or cores 326 327.

System Space and Materialization

Ling Xi can retrieve stored objects from a system space and materialize supplies.

• Retrieves Dawnbreaker directly from storage during his first battle 1.
• Conjures food, including instant noodles, for Cangxuan and Danzhu in the primitive era 268.
• Produces rice and other supplies for Yae Village, leading its residents to regard him as a divine envoy 300.

Equipment / Weapons / Items

• Dawnbreaker — Ling Xi's primary sword; commonly used with fire or lightning enhancement 1 34 80.
• Tesla (Bottom) — Stigmata paired with Aslaug (Top) at the start of his power development 1.
• Colt pistol — Used while countering assassins targeting Mobius 50.
• Seven Thunders of Retribution — A katana Ling Xi employs as an electromagnetically launched flying platform 320.
• Star of Eden — Used to destroy Chiyou by generating a black hole that lasts five seconds 295.
• Skyfire Jie Mie — Materialized and wielded with Flame Herrscher authority against the Eighth Herrscher 214.

Relationships

• Mobius — Employer, Doctor, research partner, and committed romantic partner. Ling Xi becomes her assistant, repeatedly protects her, and supports her research without abandoning her over its moral ambiguity 5 15 19 36.
• Sirin — First benefactor and a continuing source of power-related guidance. She grants him Aslaug, later gives him part of her power, and informs him about imprints and favorability conditions 1 84 190.
• Elysia — Close companion and romantic partner. She openly praises Ling Xi's bravery, assists him in major decisions, and later reveals herself as the Thirteenth Herrscher 76 120 259.
• Seele — Close companion whom Ling Xi repeatedly seeks to protect. He accepts her decision to remain by his side after the Changkong crisis 58 80 88.
• Klein — Mobius's trusted assistant and Ling Xi's laboratory colleague. She handles his onboarding, works with him on documents, and assists in monitoring his condition 6 43 146.
• Cangxuan and Danzhu — Laboratory colleagues and ancient-era companions. Ling Xi later reunites with them in the primitive era, improves their Honkai Energy Adaptability, and helps preserve Pre-Collapse knowledge with them 9 268 281 285.
• Fu Hua — A powerful ally whom Ling Xi chooses to defend against the Tai Xu Seven Swords. She later teaches him Tai Xu Sword Qi and aids Li Sushang's training 316 326 327.
• Li Sushang — Ling Xi's student and ward. He rescues her from the conflict surrounding Qin Suyi, teaches her academics and martial arts, and later entrusts part of her cultivation to Fu Hua 315 318 324.
• Yae Sakura — Ling Xi's rescuer after his battle with Chiyou and a trusted companion. He joins the Yae family, protects Sakura and Rin, and helps Yae Village survive its drought 295 300 303.
• Otto Apocalypse — Political collaborator. Otto fulfills Ling Xi's demand to protect Alexandra and later seeks Pre-Collapse Civilization information from him 370 371.

Story Role / Major Arcs

H City and Mobius's Laboratory

Ling Xi's first battles establish him as an unexpected defender against Honkai Beasts. His destruction of the Temple-class beast and later intervention in Mobius's kidnapping attempt lead directly to his recruitment into her laboratory 2 5.

Changkong City Crisis

When the institute is invaded, Ling Xi fights through Assault- and Knight-class Honkai Beasts to reach Mobius. His later battle against the Third Herrscher exposes both the severity of Honkai corrosion and the scale of power he can access with Sirin's aid 15 84 85.

Sasha and Hypervariable Surgery

Ling Xi eliminates Sasha with Herrscher authorities, but the accumulated cost of Honkai power leaves him in need of treatment. Mobius implants Sasha's cells to cure him, creating a stronger Fused Warrior capable of safely using Herrscher cores 124 144 147.

Battle Against the Herrscher of Finality

Ling Xi joins the operation against the Herrscher of Finality, restraining space with the Void Core while the Moonlight Throne and allied combatants attack. He later absorbs thirteen Herrscher cores, becoming “Demigod Ling Xi” for the final confrontation 263 264.

Primitive-Era Shenzhou

After destroying Chiyou, Ling Xi resurrects in Yae Village, where he aids Yae Sakura, Rin, Cangxuan, Danzhu, and Hua. He defeats the Tai Xu Seven Swords after they move against Fu Hua, then studies Tai Xu Sword Qi and helps preserve Pre-Collapse knowledge for future civilization 295 300 316 326.

Later-Era Destiny

In the later era, Ling Xi aids Destiny while focusing on protecting his extended household. He protects Alexandra and her unborn child, shares Pre-Collapse information with Otto, supports the advancement of Fused Warriors, and reunites with former Flame-Chasing Moths after their hibernation ends 370 371 387.

Notable Quotes

“The tables have turned, Honkai!” 1

“I, Ling Xi, am Dr. Mobius's assistant. Therefore, no matter what you do, Doctor, I will support you.” 19

Trivia

• Cangxuan attempts to collect Ling Xi's autograph for resale after he becomes famous as the hero who saved Changkong City; Ling Xi tears up the signed page when he learns her plan 88.
• The Second Divine Key's search finds no version of Ling Xi in parallel worlds or world bubbles 243.
• He once publicly claimed to be Goddess Seele's apostle in Yae Village, then substantiated the claim by materializing a bag of rice 300.