Xiao Yi Xian

Biodata

Feature	Value
Name	Xiao Yi Xian (小医仙) 1
Alias(es)	Little Doctor Immortal; Little Medical Fairy; Lin Dong, a disguise identity; Ye Qingxian, a name she reveals at Jia Nan Academy 1 167 250
Species/Race	Initially inhabits a human girl's body; later manifests a colossal white-dragon form 1 328
Gender	Female; male in her previous life 1 62 278
Origin	Huaxia in her previous life; transmigrates into Xiao Yi Xian in Green Mountain Town on the Dou Qi Continent 1 11
Affiliation	Myriad Medicine Pavilion, formerly; allied with Xiao Yan and the Xiao Family; later attends Jia Nan Academy 3 14 27 247 248
Occupation/Role	Physician, Poison Master, sword cultivator, and alchemist 1 7 122 334
Special Physique	Calamity Poison Body, also called the Innate Poison Body 1 12
Highest Explicitly Documented Cultivation	Eight-star Dou Zong 371
Highest Demonstrated Pill Grade	Seventh grade, through the Form Transformation Pill 334
First Appearance	Chapter 1 1

Power Progression

Dou Qi Cultivation

The Dou Wang-level pressure she displays early on comes from the Sword Box, while her victory at Wu Tan City's gates also relies on Yao Chen's borrowed strength; neither establishes her own cultivation at that realm 10 25.

Stage / Realm / Level	Chapter	Notes
Six-stage Dou Disciple	1	Starting cultivation upon transmigration.
Nine-stage Dou Disciple	1	Consumes four packets of poison overnight, advancing three stages.
Two-star Fighter	6 7	Reveals this cultivation after consuming a potent poison and enduring the resulting eruption.
Three-star Fighter	15	Advances while cultivating with the Sword Canon.
Seven-star Fighter	28	Refines the Poison Master's gas that Yao Chen had sealed inside her.
Nine-star Fighter	30	Further advancement from poison pills and the Dou Ling Poison Master's gas.
Dou Master	32	Breaks through in the Demonic Beast Mountain Range before challenging the Twin-Winged White Crystal Snake.
Three-star Great Dou Master	55	Her cultivation immediately before the Pool of Opportunity rebuilds her foundation.
One-star Great Dou Master	55	The pool reduces her nominal rank while healing internal injuries, widening meridians, and making her stronger than her former self.
Three-star Great Dou Master	62	Regains this rank after three days of poison consumption; her Dou Qi is more than twice its previous quantity.
Five-star Great Dou Master	91	Absorbs surging poison after killing a creature in a lake.
Three-star Dou Ling	122	Reaches this level within a month by consuming useful pill products, including failed pills, and absorbing their pill poison.
Four-star Dou Wang	164	Advances while removing a poison brand from Xiao Yan.
One-star Dou Huang	235	Explicitly confirmed after her Emperor Breaking Pill cultivation attempt; she began that attempt using the Green Lotus Seat 218.
One-star Dou Zong	327 328	Breaks through after devouring the Nether Poison Fire and her Green Lotus Core Flame; emerges in white-dragon form.
Five-star Dou Zong	364	Absorbs toxins in the Poison Domain, where a previous Calamity Poison Body holder died.
Eight-star Dou Zong	371	Advances following earlier suppression and accumulated insights. Prepares a Mysterious Dragon Pill with the intention of reaching Dou Zun.

Alchemy Progression

Stage / Realm / Level	Chapter	Notes
First-grade Medicine Master	122	Successfully refines Qi Increasing Powder.
Third-grade Medicine Master	122	Advances within a month, drawing on her physician background and poison-refining experience.
Fourth-grade pill refinement	152	Successfully refines the Three-Patterned Green Spirit Pill after months of secluded practice.
Fifth-grade pill refinement	218	Refines the Emperor Breaking Pill from rare materials accumulated in looted Storage Rings.
Sixth-grade pill refinement	269	Refines the Huang Ji Pill to demonstrate her superiority over Han Xian.
Seventh-grade pill refinement	334	Produces a Form Transformation Pill from lightning fluid, enabling Xiao Lan to take human form.

Background / History

Before transmigration, Xiao Yi Xian was a young man from Huaxia. After awakening in Green Mountain Town, she inherits the original girl's memories and emotions, including an affection for medicine. She knows the original story's trajectory and recognizes both the opportunities and dangers of the Calamity Poison Body 1 11.

Her starting circumstances leave her with poor conventional cultivation prospects, limited resources, and no system or other initial cheat. Rather than wait for Xiao Yan to reach Green Mountain Town, she activates the poison body's cultivation method and sets out to obtain the cave treasures herself 1 2.

At the Myriad Medicine Pavilion, her medical work has earned the loyalty of many local mercenaries. Mr. Yao nevertheless withholds her earnings. She poisons the vault guards, takes a Storage Ring and other resources, and escapes the town on Xiao Lan 1 3.

Appearance

• Early appearance: A pale-white dress, long purple hair with a medicinal fragrance, a serene smile, and an exceptionally slender waist 1.
• Poison-related features: Her lips turn purple after poison consumption, and seven-colored poison lines develop on her lower abdomen 1 2 28.
• Later appearance: She is also depicted with silver-white hair, milky-white skin, pale-purple pupils, and a petite figure 54 151.
• Height: Approximately 1.7 meters 264.
• Concealment: Frequently wears a battered bronze mask, white robes, or a black cloak 19 25.
• Nether Poison Marsh attire: A purple palace gown 315 316.
• Dragon form: A colossal white dragon, revealed after her Dou Zong breakthrough 328.

Personality

Xiao Yi Xian is pragmatic about survival and refuses to rely on her reputation as a gentle physician for protection. She kills the Pavilion guards to prevent retaliation, uses poison against stronger opponents, and exploits the Sword Box's aura to make enemies overestimate her strength. Her confidence is not indiscriminate: she declines to rob Gute because the likely enmity of Gu He outweighs the value of his treasures, and later avoids confronting a high-level Dou Huang in the Black Corner Region 3 7 10 45 235.

Her affection is concentrated on people she accepts as companions. She treats patients, tends Xiao Lan's injuries, cares for Little Spirit and Qing Lin, and protects her injured followers at Four Sect Valley. With Xiao Yan, that care often comes with teasing, punches, financial help, and deliberately embarrassing demands 1 7 15 60 235 328.

Her outward bravado coexists with fear and homesickness. Drinking alone beneath the moon, she admits inwardly that fear has accompanied her throughout her transformation and struggle with the poison body. Although she initially resolves to embrace her new identity, she continues adjusting to it and later explicitly accepts herself as a woman 1 62 278 315.

Abilities & Skills

Calamity Poison Body

Her innate physique converts poison into specialized Poison Dou Qi, allowing unusually rapid cultivation without years of conventional energy accumulation 1 12.

• Poison immunity: Ordinary poisons do not consume her body as they would a normal cultivator's 1.
• Potency-based growth: More powerful poisons produce greater cultivation benefits 1 12.
• Direct absorption: Drains poisonous gas from another Poison Master and later absorbs environmental toxins in the Nether Poison Marsh and Poison Domain 26 316 364.
• Pill poison consumption: Uses poison contained in both successful and failed pills to advance 122.
• Compulsive craving: Poison can provoke a desire strong enough to threaten her sense of bodily control 1 62.
• Original fatal limitation: Excessive accumulation can overwhelm the body's suppression and cause an agonizing death 1.
• Collateral danger: Releasing her poison can kill unintended targets and corrode the terrain. Her Four Sect Valley release leaves a five-kilometer radius lifeless and temporarily barren 349.

Poison-Body Control

She initially seeks Yao Chen's help with the Poison Pill Method, which gathers internal toxins into a pill. She supplies knowledge of three Heavenly Flames needed for the plan 14.

• Yao Chen temporarily seals the Poison Master's gas inside her to prevent dangerous consequences from rash absorption 26.
• The Pool of Opportunity improves her foundation and begins balancing her Sword Qi and Poisonous Gas, but does not yet eliminate the danger of eruption 55.
• She later shows Yao Chen a unique purple bead and states that she has resolved the poison body's side effects 236.
• Control of those side effects does not make a full poison release selective; she still cannot guarantee the safety of allies within its mist 349.

Medicine and Poison Refinement

Her physician background supports both healing and the preparation of lethal toxins 1 6 122.

• Treats wounded mercenaries with medicines carried in her pouch 1.
• Uses the Seven-Colored Poison Scripture to prepare a colorless, odorless poison dangerous even to a Dou Grandmaster 6.
• Kills several Fighters at once by scattering poison powder with Dou Qi 7.
• Uses poison to retrieve the Purple Spirit Crystal from the Purple Crystal Winged Lion King's lair 42.
• Removes Xiao Yan's poison brand, advancing her own cultivation in the process 164.

Sword Cultivation

Her sword inheritance supplies combat techniques, flight, and a cultivation method that works through the Sword Box 7 15 28 29.

Technique	Applications and limits
Sword Canon	Refines internal energy through a route involving the Sword Box. In the Pool of Opportunity, it helps reshape her damaged foundation 15 28 55.
Sword One	Defeats Mu Li through guidance from the figure preserved in the Sword Box; she acknowledges that she could have been in danger without that instruction 7.
Imperial Sword Technique	A mid-grade Profound-tier skill used to ride a sword through the air and carry companions 29 61.
Myriad Swords Returning to Origin	An Earth-grade low-rank skill that produces densely packed sword shadows. She uses it against Long Yuan, the Sand Mercenary Group, and Mo Bass 54 61 78.
Great Desolate Starfall Sword	Prepares this counterattack after summoning You Su during her struggle against Mo Bass 78.
Poison-infused sword attacks	Combines Sword Qi with toxins to erode opponents internally; later coats Spirit Control with poison against Yun Shan 9 349.

• Her Sword Qi and Poison Dou Qi initially clash inside her body, making their eventual balance an important cultivation problem 34 55.
• Against Mu Li, poison entering his body unnoticed is crucial to overcoming the gap between her two-star and his seven-star Fighter cultivation 9.
• Overloading Spirit Control with poison causes faint cracks to appear in the blade 349.

Dragon Powers

The Dragon Pearl and Dragon Soul within her support movement, physical attacks, and later transformation 167 328.

• Void Step: Rapidly moves beside Xiao Yan during the Yun Lan Sect confrontation and later uses it to escape danger 167 235.
• Dragon-clan physique: Handles several academy opponents while suppressing her apparent cultivation to one-star Dou Wang 283.
• White-dragon transformation: Emerges from the pool at Four Sect Valley in a colossal dragon body 328.
• White Dragon Fist and White Dragon Claw: Combats a powerful thunderstorm while obtaining lightning fluid 334.
• Dragon Roar: Stores protective attacks in jade slips given to Nalan Yanran; their Dragon Might helps her receive favorable treatment at the Blood Pool 364.

Alchemy and Flame Control

She begins learning pill refinement from Yao Chen's handbook. Her existing poison-refining experience helps her progress quickly 115 122.

• A pale-green flame containing life essence demonstrates that she has acquired the attributes needed for alchemy despite her original poison alignment 115.
• Her Purple Dragon Pearl supplies Heavenly Flames and Wood Attribute energy during pill refinement 152.
• Uses the Green Lotus Core Flame as one of her own flames before devouring it alongside the Nether Poison Fire 235 327.
• Early use of Bone Spirit Cold Flame occurs with Yao Chen's assistance rather than as proof of independent ownership 25 26.
• Refines pills for personal advancement and for companions, including Xiao Lan's Form Transformation Pill 218 334.

Soul Power and Disguise

• Fusion of her two lives' souls is described as placing her at the middle stage of the Mortal Realm early in the story 6.
• Uses soul power to manipulate liquids and medicines, control pill refinement, and probe dangerous terrain 74 122 315.
• Conceals her actual realm and presents herself as a Dou Ling while approaching Jia Nan Academy 243.
• Adopts Lin Dong's appearance and later restores her female appearance during the Yun Lan Sect confrontation 167.
• Can imitate Xiao Yan's appearance as well 307.
• Practices Purple Cloud Wings, a flying skill containing a violent eagle soul that requires a soul confrontation during absorption 30.

Equipment / Weapons / Items

• You Su — A silver-white sword crafted by an ancient Dou Venerate. It responds to her summons and thoughts and is central to her early sword cultivation 5 7 55.
• Sword Box — Contains You Su, inherited instruction, and a formation that absorbs surrounding Dou Qi while concealing its aura. Its stored Dou Venerate pressure lets her bluff a Dou Wang-level presence 5 7 10.
• Spirit Control — A later sword she summons at Jia Nan Academy and infuses with poison against Yun Shan 284 349.
• Morning Flower Evening Shadow — The sword name she announces when revealing her one-star Dou Huang cultivation to Lin Xiuya 284.
• Seven-Colored Poison Scripture — Her early reference for preparing potent poisons 6.
• Storage Rings — Carry money, medicines, weapons, and cultivation resources obtained during her travels 3 19 218.
• Bronze mask and cloak — Used to conceal her appearance during confrontations and treasure dealings 19 25 45.
• Green Lotus Seat — Used while cultivating after consuming the Emperor Breaking Pill 218.
• Pool of Opportunity water — Collected for later use; heals injuries, reinforces foundations, and can improve bloodlines 74.
• Yin-Yang Mysterious Dragon Pill — A seventh-grade pill she consumes despite its lack of an immediate effect, anticipating its usefulness in a life-threatening situation 237.
• Earth Core Body Tempering Milk — Possesses this valuable liquid and uses it to prepare wine for a gathering with friends 278 288.
• Dragon Phoenix Origin Fruit — Collects it in the ancient ruins; it is a required ingredient for the True Dragon Pill 374.

Relationships

• Xiao Yan — Fellow transmigrator from Huaxia, ally, and younger-brother figure who calls her “Big Sister.” Their cooperation begins with her need to control the poison body; she later provides money, gifts, healing, and protection 11 14 15 19 27 164.
• Yao Chen / Medicine Elder — Mentor and partner in poison-body control, alchemy, and combat. Although she is not formally his disciple, he considers her much like one; Fu Ya later identifies him as her master 14 25 115 172 341.
• Xiao Lan — Blue-eagle companion and early escape mount. She reacts furiously to its mistreatment, heals its injuries, and eventually refines the pill that gives it human form 3 7 334.
• Little Spirit — A Heaven and Earth Spirit whom she takes in and treats as a younger sister. Their bond includes a mark space in which Xiao Yi Xian places her 23 27 55.
• Qing Lin — A girl she takes into her care with Xiao Ding and Xiao Li's agreement. Qing Lin later identifies herself as Xiao Yi Xian's maid 60 376.
• Liu Yan — An alchemist who surrenders his Soul Imprint and becomes her servant. He accompanies her and develops his cultivation and alchemy alongside her 26 27 122.
• Chi Han — Twin-Winged White Crystal Snake companion who addresses her as Master and travels with her group 36 55 61.
• Yun Yun — Friend and expedition partner. Xiao Yi Xian deliberately seeks to change Yun Yun's original fate; their cooperation against the lion king earns Yun Yun's goodwill, though her later wanted status complicates that friendship 29 42 122.
• Cai Lin / Queen Medusa — Ally who protects her during the Yun Lan Sect battle and worries for her during a Heavenly Tribulation 168 199.
• Zi Yan — A close, sisterly companion who calls her “Dragon Sister.” Xiao Yi Xian gives her sweets, includes her in gatherings, and protects her after she is injured 278 288 328.
• Fu Ya — Companion who addresses her as “Senior,” tends the garden, and looks after Zi Yan and Xiao Lan during her expeditions 313 320.
• Hu Yao — Spirit of her Exotic Fire; accompanies her, supports her alchemy, and holds off enemies during the Dragon Phoenix Origin Fruit encounter 328 334 374.
• Long Yuan — White-robed phantom connected to Lu Chuan's inheritance. Tests her with overwhelming pressure, then provides access to the Pool of Opportunity 54 55.
• Han Yue — Academy acquaintance whose feelings toward her become increasingly apparent; Xiao Yi Xian includes her in a farewell drinking gathering 264 278 288.
• Nalan Yanran — Shares a night with her before they part ways. Xiao Yi Xian gives her jade slips containing powerful protective attacks 364.
• Mr. Yao — Former employer whose withholding of her earnings prompts the Pavilion vault raid; later appears among those pursuing her 3 25.
• Mu Li and Mu She — Wolf Head Mercenary Group enemies. She kills Mu Li after his group harms Xiao Lan, then kills Mu She during the attack on Wu Tan City 7 25.
• Yun Shan — Recurring enemy associated with the Soul Hall. He attempts to detain her, blocks her at the border, and later displays ominous black qi and life-draining power 168 202 341 351.

Story Role / Major Arcs

Green Mountain Town and the Sword Inheritance

• Activates the Calamity Poison Body rather than wait for the original plot to reach her 1.
• Raids the Myriad Medicine Pavilion, escapes on Xiao Lan, and obtains You Su and its Sword Box from the cave tomb 3 5.
• Kills Mu Li and his men, combining poison with inherited sword instruction 7.

Wu Tan City and the Protagonist Alliance

• Watches Xiao Yan's engagement annulment and then uses the Sword Box's pressure to draw out Yao Chen 9 10.
• Reveals her shared homeland with Xiao Yan and negotiates cooperation around poison-body control and Heavenly Flames 11 14.
• Infiltrates the City Lord's vault with Yao Chen and acquires a purple pill 18 19.
• Defeats the force pursuing her at the city gates, drains its Poison Master, and gains Liu Yan's service 25 26.
• Her association with the Xiao Family and a fourth-grade alchemist strengthens the family's position in the city 27.

Mountain Range and Tagor Desert

• Builds a traveling group around Little Spirit, Liu Yan, and Chi Han 23 36.
• Cooperates with Yun Yun to obtain the Purple Spirit Crystal 42.
• Undergoes foundation reconstruction in Long Yuan's pool, trading nominal rank for greater strength 55.
• Takes Qing Lin into her care and wipes out the Sand Mercenary Group while helping Xiao Yan's brothers 60 61.
• Battles Mo Bass and continues participating in the search for Heavenly Flames 62 78 91.

Alchemy and the Yun Lan Sect Conflict

• Learns alchemy from Yao Chen's handbook and rapidly develops pill-refining skill 115 122 152.
• Helps Xiao Yan before his Three-Year Agreement by removing his poison brand 164.
• Is publicly accused of being the wanted Poison Master responsible for the Mo Family massacre and Luokong City's destruction; her Lin Dong disguise is exposed during the confrontation 167.
• Fights alongside Cai Lin and Xiao Yan when Yun Shan demands that she remain at Yun Lan Sect 168.
• Later reunites with Yao Chen as a Dou Huang and states that her poison-body side effects have been resolved 236.

Jia Nan Academy

• Arrives while concealing her cultivation, then participates in the entrance battle alongside Xiao Yan and Xiao Xun'er 243 247 248.
• Protects Panmen disciples from Han Xian and demonstrates sixth-grade alchemy through the Huang Ji Pill 269.
• Defeats the group organized by Lin Xiuya and reveals her actual one-star Dou Huang realm 283 284.
• Arranges a drinking gathering with friends before leaving the academy 288.

Nether Poison Marsh and Four Sect Valley

• Travels south with her companions and cultivates by absorbing the marsh's dense poisonous gas 303 315 316.
• Investigates Four Sect Valley and destroys a corpse-cultivation formation 320.
• Devours two Exotic Fires, reaches Dou Zong, and emerges as a white dragon to protect her injured companions 327 328.
• Refines Xiao Lan's Form Transformation Pill afterward 334.

Return to Yun Lan and the Beast Region

• Coordinates with Xiao Yan and Yao Chen after discovering Yun Shan's ties to the Soul Hall 341.
• Confronts Yun Shan, whose later transformation includes devouring Chan Protector and draining vitality around the sect 349 351.
• Advances through the Poison Domain and recognizes Ye Ling'er at an event where she fears her younger sister may become someone else's slave 364 369.
• Reaches eight-star Dou Zong, prepares for Dou Zun, and collects the Dragon Phoenix Origin Fruit 371 374.
• Reunites with Xiao Yan in the ancient ruins' main hall before the Soul Hall descends 376.

Notable Quotes

“Sorry, it's better to harm others than be harmed myself!” 3

“I was just trying to scare Young Master Xiao. As a weak woman, what bad intentions could I possibly have?” 10

“It's still largely thanks to the Calamity Poison Body. Without it, I probably wouldn't have accomplished anything.” 341