Dugu Yan

Biodata

Feature	Value
Name	Dugu Yan (独孤雁)
Alias(es)	Yanyan 11 12
Gender	Female
Affiliation	Dugu family; closely allied with the Ye family 6 27
Occupation/Role	Poison-wielding Soul Master 19 22
Family	Daughter of Dugu Xin; granddaughter of Dugu Bo 6 11
Martial Soul	Jade Phosphorous Serpent → Seven-Colored Snake → Seven-Colored Rainbow Phosphorus Serpent, materialized as Xiao Cai 17 19
Highest documented Soul Power	Above rank 30; awaiting her Third Soul Ring 24 54
Age milestones	Six when her martial soul materializes; seven upon reaching level 27 19 22
Status	Alive; training at the Ice and Fire Yin Yang Well in the latest supplied chapters 53 54 55
First Appearance	Chapter 2 in the supplied context 2

Power Progression

Stage / Realm / Level	Chapter	Notes
Awakened Jade Phosphorous Serpent; below level 10	6	More than half a year after awakening, she has not yet reached level 10 or obtained her First Soul Ring.
Incomplete martial-soul evolution	17	Consumes Seven-Colored Rainbowglow Ginseng, clearing hereditary flaws and transforming her martial soul into a seven-colored poisonous snake. Her body can withstand a roughly 900-year Soul Ring.
Increased Soul Ring tolerance	18	Two days of Whale Rubber treatment raise her safe absorption limit to approximately 1,100 years.
First Soul Ring; complete evolution and materialization	19	Absorbs a thousand-year Seven-Colored Rainbow Phosphorus Serpent ring. Her martial soul completes its evolution, materializes as Xiao Cai, and grants Seven-Colored Transformation.
Seven-colored, growing First Soul Ring	20	Xiao Cai devours the slain serpent’s corpse. Her ring becomes seven-colored, her Soul Power rises by about half a level, and her physical foundation improves slightly. Lu Xuan identifies the ring as a possible Life-Bound Soul Ring.
Level 27 Soul Grandmaster; Second Soul Ring	22	A 1,300-year Jade Phosphorus Centipede grants Rainbow Phosphorus Myriad Poisons. Her First Soul Skill’s seven attribute boosts have increased to 27%.
Above rank 30; Third Soul Ring pending	24	Delays acquiring her Third Soul Ring to strengthen her foundation, rejecting a prepared 3,000-year Jade Phosphorus Toad as too young.
Advanced Nine Yin cultivation mastered	54	Learns the Nine Yin Manual’s internal cultivation method. Combined with her existing body-tempering technique and the well’s energy, it rapidly improves her physique and cultivation; no new rank is specified.

Background / History

Dugu Yan belongs to a family whose Jade Phosphorous Serpent Martial Soul carries a hereditary defect: its own venom gradually damages its user. Before Lu Xuan becomes Ye Renxin’s disciple, Yan and her father rescue him from the streets and take him to the Ye family clinic. Dugu Xin describes the rescue as a small favor undertaken for his daughter’s sake 6.

She is already friends with Ye Lingling before either girl grows close to Lu Xuan. As Lu Xuan’s talent becomes apparent, Dugu Xin proposes giving him and Yanyan more opportunities to spend time together, hoping he will eventually become the Dugu family’s son-in-law. Dugu Bo supports the idea despite the Ye family’s own expectations concerning Lu Xuan and Lingling 6 11 43.

Appearance

• Eyes and expression: Bright, expressive eyes and willow-shaped eyebrows; her looks and bearing become more refined after taking an Immortal Herb 36 43.
• Martial Soul Possession: Seven-colored snake markings spread over her arms and neck. Scale-like gleams and poisonous mist also appear during her First Soul Ring absorption 18 19.
• Xiao Cai: Her evolved martial soul initially appears as a palm-long snake with red, orange, yellow, green, cyan, blue, and purple scales, translucent pupils, and drifting colored mist 17.

Personality

Yan is bold, mischievous, and outspoken. She tricks Lu Xuan into tasting painfully sour candied hawthorns and readily teases him about his claim that his family techniques are reserved for future wives. Although usually carefree, she becomes visibly embarrassed when the elders turn that teasing into direct marriage talk 32 36 37 52.

Beauty matters to her, but not at the expense of strength. She fears the prospect of becoming physically imposing like the Diamond Mammoth clan and delights in gaining a beautiful martial soul that retains its lethal venom. Her competitive streak drives her to reject an easier Third Soul Ring and train tirelessly for a 5,000-year alternative 7 17 24 54.

She is compassionate toward people close to her and fiercely protective of them. She cries over the Ye family’s sacrifices during Lingling’s awakening and willingly gives a valuable Soul Bone to her father. That loyalty also has a harsh side: after learning of the Clear Sky Sect’s role in harming her grandfather and Zhao Yan, she proposes capturing and torturing Tang Yuehua 15 40 53.

Abilities & Skills

Seven-Colored Rainbow Phosphorus Serpent

Her martial soul completes its evolution through the compatible combination of Seven-Colored Rainbowglow Ginseng and a thousand-year serpent Soul Ring 19.

• Potent venom: The intermediate evolution preserves her poisonous power while changing the serpent’s appearance 17.
• Materialization: Xiao Cai can exist as a tangible, lifelike serpent rather than only a phantom 19.
• Normal possession remains available: Xiao Cai can dissolve into colored light and merge with her body for Martial Soul Possession 19.
• Sensory connection: Touching Xiao Cai transmits sensation to Yan through their bond 19.
• Uncertain long-term effects: Ye Renxin initially cautions that her acquired materialization requires observation 19.

Seven-Colored Transformation

Her First Soul Skill simultaneously enhances seven attributes 19.

• Attributes: Strength, speed, defense, mental power, Soul Skill power, poison potency, and recovery speed.
• Initial enhancement: 20% to each attribute 19.
• Documented growth: By level 27, each enhancement has reached 27%, attributed to her Life-Bound Soul Ring 22.

Rainbow Phosphorus Myriad Poisons

Her Second Soul Skill comes from a 1,300-year Jade Phosphorus Centipede, whose venom shares its origins with the Jade Phosphorous Serpent’s 22.

• Concentrates her venom into her palms, giving each strike a powerful poison attack.
• A single strike can rival an assault-type Soul Grandmaster’s Second Soul Skill.
• Remains active through a hundred successive strikes, with much of its Soul Power expenditure recovered by the end of its duration.
• Scales with the increasing potency of her innate venom.
• Excels at sustained attacks but lacks explosive power against especially formidable opponents 22.

Poison-Based Cultivation and Life-Bound Soul Ring

Xiao Cai can cultivate independently by consuming potent poisons, nourishing Yan and strengthening her First Soul Ring in return 20.

• First observed benefit: Eating the serpent corpse increases her Soul Power by about half a level and slightly raises her Soul Ring tolerance 20.
• Cultivation speed: This method lets her cultivate more than three times as quickly as an ordinary Soul Master 50.
• Safety limit: She is not immune to every poison. Dosage must remain within her body’s tolerance; excess poison can harm her 50.
• Increasing intake: By Chapter 55, Xiao Cai indicates that it can consume one additional mouthful of poison each day 55.

Nine Yin Cultivation Methods

Lu Xuan teaches her techniques that strengthen the foundation needed to absorb older Soul Rings 24 54.

• Muscle-Tendon Changing and Marrow-Cleansing Chapter: Builds her physical foundation and supports her progress beyond rank 30 24 54.
• Nine Yin internal cultivation: An advanced counterpart that complements the earlier method; Yan successfully masters it alongside Lingling 54.
• Training environment: The Ice and Fire Yin Yang Well’s rich energy reinforces the methods’ effects, while its mingled energies also benefit her poison-based training 53 54.

Equipment / Items

• Serpent-bone hairpin — A purchased hairpin identified by Dugu Bo as a fragment of a ten-year Jade Phosphorous Serpent bone 38.
• Tailored Nine-Flower Jade Dew Pill — Prepared by Lu Xuan using Immortal Herbs, with Aromatic Silk Beauty and Blood Swan Kiss intended to amplify poison potency while protecting her from it. She has not taken it as of Chapter 27 because she must first absorb the remaining medicinal power of her earlier herb 23 27.
• Golden Earth Dragon Torso Bone — temporary custody — Lu Xuan entrusts the treasure to her for her father. She presents it to Dugu Xin and refuses his offer to keep it herself 39 40.

Relationships

• Dugu Bo — Grandfather and protector. Secures her cultivation resources, assists with her First Soul Ring, and comforts her when Xiao Cai’s changes frighten her 14 18 19 20.
• Dugu Xin — Father. Rescues Lu Xuan with her, encourages their closeness, and receives the Golden Earth Dragon Torso Bone she insists he should use 6 11 40.
• Lu Xuan — Close companion, cultivation instructor, and romantic interest. Designs her martial-soul evolution, teaches her Nine Yin methods, and inspires her ambitious Soul Ring choices; their exchanges often involve teasing 14 19 24 36 54 55.
• Ye Lingling — Longtime friend and friendly cultivation rival. They sometimes compete for Lu Xuan’s attention but cooperate against a potential outside rival, Meng Yiran 6 24 43 55.
• Ye Renxin — Trusted elder and medical adviser. Prepares her Immortal Herb, measures her absorption limits, and investigates Xiao Cai’s unusual abilities 17 20.
• Ye Qingxian — Familiar elder whom she calls “Aunt Ye.” Supervises her Whale Rubber treatment and reprimands her overly bold jokes 18 53.
• Zhao Yan — Allied elder whom she calls “Uncle Zhao.” Finds the serpent needed for her evolution and volunteers to test Whale Rubber; his grave injury leaves her worried and subdued 15 17 52 53.

Story Role / Major Arcs

• Early meeting and family cooperation: Her identity helps Lu Xuan recognize that he has more than ten years before Tang San’s era. Her earlier rescue of him provides a personal connection to the Dugu family 2 6.
• Immortal Herb evolution: She becomes the first practical test of Lu Xuan’s independently devised method of matching a person’s constitution with an Immortal Herb. The unexpected materialization and growing Soul Ring extend the experiment beyond its original aim 19 20.
• Concealing exceptional talent: After she reaches level 27 at seven years old, Lu Xuan urges the children to hide their unusual abilities and proposes that they claim to be ten 22.
• Suotuo City outing: A rare break from years of training lets her explore with Lu Xuan and Lingling. Watching Lu Xuan defeat three Four-Ring Soul Ancestors overturns her assumption that he is merely a support specialist 31 32 36 37.
• Family Soul Ring hunts: She accompanies the group through Star Dou Forest and passes a rare Torso Bone to her father. Lu Xuan later rejects a Man Faced Demon Spider ring for her because it would disrupt her planned progression 39 40.
• Return to secluded training: After the forest crisis and Zhao Yan’s injury, she returns to the Ice and Fire Yin Yang Well. She pursues a 5,000-year Third Soul Ring through advanced cultivation and carefully increased poison intake 52 53 54 55.

Notable Quotes

“Grandpa! My martial soul has evolved! … It’s really so pretty.” 17

“I’m several months older than you! … You still haven’t called me big sister after all this time. Is that right?” 55