Xiao Yi Xian

Biodata

Feature	Value
Name	Xiao Yi Xian (小医仙)
Alias(es)	Xian Er 117 141
Gender	Female
Affiliation	Ten Thousand Medicines Hall, formerly; Jia Nan Academy and its Inner Academy; Purple Firmament 43 110 143 255 347
Occupation/Role	Healer, herbalist, and poison practitioner; aspiring alchemist 53 111 139 154
Constitution	Innate Calamity Poison Body 271
Partner	Xiao Bai, who explicitly introduces her as his partner 318
Highest Documented Realm	Ban Sheng 465
Status	Alive at her latest documented appearance 468
First Appearance	Mentioned when Xiao Bai searches for her at Ten Thousand Medicines Hall; first shown meeting him on a cliff 43 46

Power Progression

Stage / Realm / Level	Chapter	Notes
Ninth-stage Dou Qi	46	Her starting cultivation during the cliff encounter. Her medicinal powder relies on a surprise attack and cannot threaten Xiao Bai directly.
Dou Zhe / Fighter	117	Confirmed to have broken through; Foundation Establishment Spirit Liquid is no longer useful to her.
Nine-Star Fighter	137	Xiao Bai sets a two-month training plan built around refined poison pills, aiming to raise her beyond mid-level Dou Shi.
Four-Star Dou Shi	139	Reached during poison-pill cultivation and combat training. She develops a mobile poisoning style and is assigned two Tier 2 Magical Beasts as opponents.
Four-Star Dou Emperor	255 256	Xiao Bai suppresses a violent poison-body eruption and guides its energy back into her Dantian. Reabsorbing the surrounding poisonous mist raises her directly to Four-Star Dou Emperor.
Dou Zong — peak Two-Star	272 273	Receives You Lian’s poison-path inheritance and control method for the Netherworld Poison Fire. Her resulting realm is identified as peak Two-Star Dou Zong, close to Three-Star.
Dou Zun — star rank unspecified	364	Confirmed by combat against two Dou Zun whose cultivation is lower than hers. She gains the advantage but cannot defeat them quickly because of their powerful bodies and spatial talent.
Ban Sheng	465	Uses her controlled poison powers to injure Gu You while protecting Xiao Qing alongside Yun Yun.

Background / History

Green Mountain Town and the Cave Expedition

Xiao Yi Xian works with Ten Thousand Medicines Hall and gathers herbs in the Demon Beast Mountain Range. Her repeated rescues of local mercenaries earn her considerable prestige in Green Mountain Town; Jia En defends her when Xiao Bai comes looking for her 43 53.

She first meets Xiao Bai while climbing a cliff to escape demon beasts. He helps her up, then forces her to choose between accompanying him into a cave below or being knocked unconscious. Although she resents his threats and teasing, she notices his quieter kindness when he warms the cold cave for her 46 48.

The expedition yields the Seven-Colored Poison Classic. Xiao Yi Xian asks for it because she wants the means to protect herself as a Poison Master. After rescuing her, Xiao Bai gives her the scroll and healing pills before they separate 50 53.

Awakening Her Constitution and Sheltering Xiao Bai

The classic allows Xiao Yi Xian to recognize her Calamity Poison Body. When rumors of her treasure attract threats in Green Mountain Town, she personally activates the constitution for self-defense. She subsequently fears becoming a despised “Poison Woman” and struggles to resist its craving for poison 108 111.

An injured, amnesiac Xiao Bai is brought back to her care. She treats him, tries to restore his memories, and cooks for him while he works to refine the conflicting thunder energies in his body 108 109.

After Mister Yao attempts to take her treasures, she poisons him to secure her departure from Ten Thousand Medicines Hall. She withholds the antidote until she and Xiao Bai are safely away, but leaves an antidote prescription in recognition of the hall’s earlier help. They escape on her Blue Eagle and settle in a fog-covered valley where she has already built a straw shed 110 111.

Jia Nan Academy and Poison-Body Training

At Jia Nan Academy, Xiao Bai replaces her older poison-consumption approach with refined poison pills and supervised combat training. Xun Er supplies a movement technique, allowing Xiao Yi Xian to poison Magical Beasts while keeping out of reach 137 139.

A pill containing a trace of sixth-rank snake poison triggers a dangerous eruption. Xiao Bai seals her Dantian, stopping the spread of the seven-colored line toward her heart. He also detects a trace of poison entering her Sea of Consciousness, which becomes a reason to strengthen her soul 143 144 154.

Xiao Bai retrieves the Earth Rank Poison Spirit Heart Sutra from the Library Pavilion for her, then teaches her the Heavenly Heart Induction Chapter. She also begins observing his alchemy and assisting with medicinal ingredients, though her fear of eventually losing herself remains 151 152 154 164.

A later eruption in the Inner Academy overwhelms her own efforts and Xiao Bai’s existing seal. His intervention orders the released energy and brings her to Four-Star Dou Emperor. Still frustrated by needing his protection, she decides to train in the Chu Yun Empire so she can become stronger and support him 255 256 262.

You Lian’s Inheritance and the Central Continent

A mysterious pull draws Xiao Yi Xian toward the Netherworld Great Swamp. There, the Netherworld Poison Fire awakens her innate poison body and temporarily drives her to attack Xiao Bai while he attempts to save her 270 271.

You Lian, a deceased bearer of the same constitution, leaves Xiao Yi Xian her poison-path inheritance and the method for controlling the flame. The inheritance raises her to Dou Zong and temporarily stabilizes her constitution. You Lian’s memories also reveal that the flame alone is not a permanent solution: it failed to balance her poison body when she reached peak Dou Zun 272 273.

Xiao Yi Xian subsequently volunteers to handle the Chu Yun Empire side of the Divine Firmament Alliance’s campaign, noting that she needs more poison. She then travels toward the Central Continent with Xiao Bai’s group. Ice River Valley pursues them to obtain the origin of her Calamity Poison Body, but she refuses to abandon Xiao Bai because of the danger 277 280 281.

Poison Pill and Later Mastery

In Fallen God Stream, Xiao Bai uses his Taiji Diagram to restrain the Netherworld Poison Fire and deliberately release her poison body’s accumulated power. He guides that poison into her Dantian, where its origin merges with a Crystal Nucleus as she begins forming a Poison Pill 331.

By the time Xiao Qing is expected to arrive, Xiao Yi Xian can release and withdraw her poison at will and safely touch other people. She later gains further insights from another senior’s ruins. Combining those insights with You Lian’s inheritance and Xiao Bai’s balancing force, she declares that the constitution has become a foundation for growth rather than a burden 362 437.

As a Ban Sheng, she protects Xiao Qing alongside Yun Yun after the Heavenly Tomb throws them into the Vast Ancient Region. Her poison injures Gu You, although the Great Heavenly Venerate presents a much greater threat; Zi Yan’s cocoon counterattacks and severely injures him 465.

Appearance

• Build and dress: A delicate, graceful figure, an exceptionally slender waist, and a plain white dress 46.
• Face and eyes: Soft features, fair skin, and clear eyes likened to autumn water; her early appearance is described as ethereal rather than overwhelmingly beautiful 46.
• Hair: Initially black; later snow-white. She associates sharing white hair with Xiao Bai with the hope of growing old together 46 181.
• Poison-body manifestations: Purple facial patterns, gray or grayish-purple eyes, and colored poisonous mist appear during cultivation and eruptions 139 143.
• Later distinguishing mark: A pale-gray rune on her forehead, which she touches while explaining her improved mastery of the constitution 437.

Personality

Xiao Yi Xian is compassionate and grateful without being defenseless. Her medical help earns the loyalty of Green Mountain Town’s mercenaries, and even after Mister Yao betrays her, she repays the hall’s former assistance by providing an antidote prescription 53 110.

Her gentle manner conceals considerable independence and endurance. She withstands painful poison-body eruptions, wants to become strong enough to help Xiao Bai, and eventually confronts enemies with open ruthlessness. Against Bing He, she is prepared to destroy herself and turn Fallen God Stream into another poisoned wasteland rather than surrender her constitution 114 141 255 262 335.

She treasures ordinary companionship. During her secluded life with Xiao Bai, she briefly wishes his memories might never return so they can remain together in the valley. Her deepest anxiety is not simply death, but becoming someone who cannot recognize loved ones and must leave him behind 111 164.

With Xiao Bai, she becomes playful, affectionate, and capable of using deliberate softness to persuade him. She also challenges his romantic behavior, warning him that his fickleness could hurt Xun Er and make their future together more difficult 141 262 281.

Abilities & Skills

Calamity Poison Body

• Poison conversion: Consumed poisons become Poison Dou Qi, allowing unusually rapid cultivation 50.
• Repeated eruptions: Accumulated poison releases further power from the constitution, sharply increasing cultivation but causing pain and accelerating its dangerous maturation 141.
• Seven-colored line: A fine line extends from the lower abdomen toward the heart as the poison body develops. Reaching the heart marks its strongest—and agonizingly destructive—state 50 143.
• Lethal mist: During early Dou Shi cultivation, her seven-colored smoke can render a Dou Shi unconscious and then slowly kill them 139.
• Suppression of poisonous creatures: A Tier 6 two-headed poisonous python retreats before her aura; venom touching her surrounding Dou Qi is purified into a stronger toxin and absorbed 330.
• Later control: She eventually releases and retracts her poison freely, allowing safe contact with others and the deliberate absorption of poisons for growth 362 437.

Netherworld Poison Fire

• Acquisition: Obtained through the Netherworld Great Swamp encounter; You Lian’s inheritance supplies its control method 270 272.
• Balancing function: The flame absorbs poison while the Calamity Poison Body strengthens toxins, temporarily checking uncontrolled eruptions 272 273.
• Combat use: She summons the poison fire while fighting the Poison Dragon Beast in Fallen God Stream 330.
• Limit: You Lian’s experience proves that the flame alone can eventually fail to balance an increasingly powerful poison body 272.

Poison Pill and Constitution Control

• Early seals: Xiao Bai’s seals temporarily restrain eruptions. His initial approach depends on remaining stronger than Xiao Yi Xian 139 143.
• Original method requirements: Yao Lao’s Poison Pill Method calls for three Heavenly Flames, a seventh-rank Heavenly Poison Scorpion Dragon Beast’s Magic Core, and Bodhi Transformation Saliva. Xiao Bai investigates Thunder Seeds as substitutes for the flames 117.
• Formation process: Xiao Bai uses the Taiji Diagram and lightning to concentrate her released poison in the Dantian, incorporates Bodhi Transformation Saliva, and merges the constitution’s origin into a Crystal Nucleus 331.
• Planned balance: The Poison Pill and Netherworld Poison Fire absorb and release poison between them, strengthening one another rather than relying on the flame alone 331.
• Further refinement: Insights from later ruins improve her command of this balance and reveal a path for continued cultivation 437.

Poison Combat and Movement

• “Kite flow”: Applies poison immediately, keeps moving, and repeatedly poisons pursuing enemies until they collapse 139.
• Movement technique: Learns a technique supplied by Xun Er and approaches great mastery during her Magical Beast training 139.
• Combat limitation: Powerful bodies and spatial abilities can hinder her poison attacks; two lower-cultivation Dou Zun remain difficult to finish quickly once they take precautions 364.
• Ban Sheng application: Her poison injures Gu You during the defense of Xiao Qing 465.

Soul Cultivation

• Initial soul strength: Approximately early Mortal Realm when Xiao Bai examines her Sea of Consciousness 154.
• Heavenly Heart Induction Chapter: Xiao Bai teaches and personally guides her through the method’s initial circulation to help her control the poison body 154.
• Risk addressed: Poison from an eruption can seep into her Sea of Consciousness, making soul protection part of managing the constitution 144 154.

Medicine, Alchemy, and Cooking

• Medical practice: Has saved local mercenaries repeatedly and treats Xiao Bai after his return with amnesia and cultivation injuries 53 109.
• Herbal knowledge: Gathers medicinal plants and identifies rare ingredients while assisting Xiao Bai’s pill refinement 111 164.
• Alchemy study: Aspires to become an alchemist and learns by observing Xiao Bai; the provided material does not establish a certified alchemist rank for her 154 164.
• Cooking: Produces notably delicious meals from simple ingredients during their valley residence 112.

Equipment / Weapons / Items

• Seven-Colored Poison Classic — Cave treasure given to her by Xiao Bai; contains poison knowledge and the means to identify her constitution 50 53 111.
• Poison Spirit Heart Sutra — Earth Rank poison-attribute cultivation method obtained for her from Jia Nan Academy’s Library Pavilion 141 151 152.
• Storage Ring — Used to carry poison pills, including the pill containing a trace of Eight-Winged Black Emperor Snake poison 143.
• Medicinal powders and poison pills — Early defensive tools and later cultivation resources 46 137 139.
• Blue Eagle — Her flying companion and mount; carries her and Xiao Bai out of Green Mountain Town and into the hidden valley 110 111.

Relationships

• Xiao Bai — Partner, protector, and cultivation guide. Their initially reluctant cooperation develops into shared domestic life and an explicitly acknowledged partnership. She later guards his seclusion and fights beside him 46 111 318 341 364.
• Xiao Xun Er — Initially a jealous romantic rival, later a confidante and supporter. They agree to care for Xiao Bai together, and Xiao Yi Xian openly defends Xun Er’s feelings when criticizing his behavior 66 122 143 262.
• You Lian — Predecessor with a Calamity Poison Body. Her remnant soul leaves Xiao Yi Xian poison-path knowledge, flame-control techniques, and memories of her tragic failure to contain the constitution 272.
• Zi Yan — Sister-like companion. Xiao Yi Xian looks after her, while Zi Yan promises to protect “Sister Xian Er” from anyone who threatens her 262 281 283.
• Yun Yun — Fellow partner of Xiao Bai and trusted companion. Their similar temperaments foster warmth, and they protect Xiao Qing together 437 465.
• Cai Lin — Her closeness with Xiao Bai provokes Cai Lin’s jealousy. A later letter from Cai Lin produces complicated feelings as Xiao Yi Xian anticipates meeting Xiao Bai’s daughter 276 293 362.
• Han Yue — Friend and travel companion. Their initial unfamiliarity disappears over half a year, and Xiao Yi Xian notices when Han Yue is troubled 282 293.
• Jia En — Mercenary who stands up for her and arranges for the injured Xiao Bai to be brought to her 43 108.
• Mister Yao — Former employer whose attempt to seize her treasures leads her to poison him and leave Ten Thousand Medicines Hall 110.
• Ice River Valley — Hostile faction seeking the origin of her innate Calamity Poison Body 271 281 335.

Notable Quotes

“I can't... let the poisonous mist spread out!” 255

“You... even being fickle has to have a limit. Even if I don't mind, what about Xun Er? Have you thought about her? If she learns about this, how heartbroken will she be?” 262

“From now on, the Calamity Poison Body will not be a burden to me. Instead, it will become my greatest foundation for advancing quickly. I can control it freely, devour all poisons under heaven, and turn them to my own use.” 437