Dugu Yan

Biodata

Feature	Value
Name	Dugu Yan (独孤雁)
Alias(es)	Yanyan; Sister Yanzi 10 18
Gender	Female
Affiliation	Dugu Family; Heaven Dou Royal Academy; Imperial Fighting Team, also called the Heaven Dou Royal Team 10 29
Occupation/Role	Control System Battle Soul Master 10
Martial Soul	Jade Scale Snake 10
Highest Documented Rank	Soul Ancestor with four soul rings; exact soul power after fourth-ring absorption is not stated 22 23 24
Status	Alive; martial soul defects resolved and toxins stabilized 22 29
First Appearance	Chapter 10 10

Power Progression

Stage / Realm / Level	Chapter	Notes
Level 36 — Control System Battle Soul Elder	10 11	Introduces herself at this level before fighting Tuoba Xuan; possesses three soul rings.
Level 40 bottleneck	22	Reaches the fourth-ring threshold after treatment using a soul bone, toxin-fusion training, medicinal pills, and two immortal herbs. Her toxins are successfully stabilized.
Fourth soul ring — Soul Ancestor	23 24	Finishes off a subdued 9,000-year-old Human-Faced Demon Spider and absorbs its ring. The age is selected to suit her physical limits; no exact post-absorption level is given.

Background / History

Imperial Fighting Team and First Defeat

Dugu Yan is a member of the Imperial Fighting Team and Yu Tianheng’s girlfriend. During a team match in Tuotie City, her Jade Phosphor Poison rapidly incapacitates opponents from an all–Soul Elder lineup, earning enthusiastic praise from her teammates 10.

Tuoba Xuan approaches afterward and challenges her family’s reputation for poison mastery. She agrees to fight him, with Yu Tianheng joining her. Tuoba Xuan immobilizes both opponents through gravity and earth control, then disperses her poison mist with realgar powder and strong liquor. The dissolution causes a minor soul-power backlash and leaves her shaken by her inability to resist him 10 11.

Despite this defeat, Dugu Yan later helps Yu Tianheng lead a counterattack against the Shrek Seven Devils when Tang San loses focus. The Imperial Fighting Team wins the match 13.

Discovery and Treatment of the Family Defect

During their first fight, Tuoba Xuan identifies a flaw in Dugu Yan’s body, pointing out the dull pain in her knees and ribs while she is restrained. Upon returning to Tiandou City, she presses Dugu Bo for an explanation. Her questions prompt him to seek out Tuoba Xuan, who warns that the untreated condition would prevent her from living past forty 11 13.

The underlying problem is toxin backlash associated with the Dugu Family’s martial soul lineage. Tuoba Xuan proposes transferring her toxins into a suitable soul bone, evolving her martial soul, and stabilizing it with medicine and herbal baths. He presents this as a way to spare both her and her future descendants from the family’s inherited suffering 16.

After treating Dugu Bo, Tuoba Xuan visits Dugu Mansion. Dugu Yan initially remains hostile over their earlier defeat, but apologizes and respectfully thanks him once she learns that he saved her grandfather. The three finalize her own treatment plan, leaving her excited at the prospect of recovery 18 19.

At the Ice and Fire Yin-Yang Well, Dugu Bo obtains a soul bone and teaches her toxin fusion, while Tuoba Xuan supplies medicinal pills and immortal herbs. Her defects are resolved, her toxins stabilize, and her soul power reaches level 40 22.

Fourth Ring and Tournament Preparations

Dugu Yan obtains her fourth ring from a 9,000-year-old Human-Faced Demon Spider subdued by her companions. Even after consuming two immortal herbs, her constitution remains insufficient for a ring beyond her rank, so the group deliberately avoids an older beast 23.

Although eager to test her new strength, she accepts Dugu Bo’s instruction to remain at the Ice and Fire Yin-Yang Well during the hunt for an 80,000-year-old Golden Earth Dragon King. Seeing Tuoba Xuan’s 30,000-year fourth ring helps her acknowledge the gap between their abilities and the danger of accompanying the hunters 24.

When Tuoba Xuan joins the Imperial Fighting Team for the Continental Advanced Spirit Master Elite Tournament, Dugu Yan keeps his circumstances confidential at his request. She later confirms his identity and calls him a benefactor of her family. Rather than participate in the team’s challenge against him, she withdraws, leaving six opponents 28 29.

Appearance

• Willow-shaped eyebrows that furrow when she is displeased 10 18.
• Red lips, noted during her argument with Tuoba Xuan at Dugu Mansion 18.
• Eyes that turn a frigid blue when she manifests her Jade Scale Snake martial soul 10.

Personality

Dugu Yan is proud of her poison and fiercely defensive of her family’s expertise. She initially dismisses Tuoba Xuan’s challenge and insists on testing his claims herself. Her defeat damages that confidence, but she remains unwilling to concede to him when they next meet 10 11 18.

Her pride does not outweigh gratitude or judgment. She openly apologizes after learning that Tuoba Xuan saved Dugu Bo, supports him before her teammates, and refuses to fight her family’s benefactor. She also accepts being excluded from a dangerous hunt despite wanting to prove herself 18 24 29.

Abilities & Skills

Jade Phosphor Poison

• Releases a purple poisonous mist through her Jade Scale Snake martial soul 10 11.
• Incapacitates multiple opponents rapidly during a team soul fight 10.
• Can spread the mist aggressively by fully releasing her soul power 11.
• Documented countermeasure: Tuoba Xuan combines realgar powder and high-proof liquor with a small amount of soul power to disperse it. The process causes her a minor backlash 11.

Control-System Combat

• Fights as a Control System Battle Soul Master, using poison to restrict and overwhelm opponents 10.
• Combines her attacks with Yu Tianheng’s offensive fighting style 10 13.
• Her early coordination has weaknesses: Tuoba Xuan criticizes her for remaining stunned when Yu Tianheng escapes his restraint rather than responding immediately 11.

Toxin Fusion

• Learns from Dugu Bo how to fuse her toxins into a soul bone as part of her treatment 22.
• Successfully stabilizes her toxins with additional medicinal support 22.
• Before treatment, the inherited backlash threatens her health and lifespan 13 16.

Equipment / Weapons / Items

• Unspecified soul bone — Obtained by Dugu Bo for her toxin-fusion treatment; its type, age, and abilities are not stated 22.
• Ice Immortal Jade Muscle Bone — An immortal herb selected to purify her potential and enhance her beauty 22.
• Ink Jade Divine Bamboo — An immortal herb used to increase her martial soul’s bloodline purity and resilience 22.
• Curative pills — Refined by Tuoba Xuan using medicinal materials and his essence blood, supporting her toxin stabilization 22.

Relationships

• Dugu Bo — Grandfather and protector. His concern for her inherited condition drives his dealings with Tuoba Xuan; he also obtains her treatment soul bone and oversees her fourth-ring hunt 13 16 22 23.
• Yu Tianheng — Boyfriend and teammate. He defends her poison mastery and attacks furiously when Tuoba Xuan injures her. She explicitly reminds Dugu Bo that she already has a boyfriend when he attempts matchmaking 10 11 18.
• Tuoba Xuan — Initially a rival who exposes her poison’s weakness; later her healer and family benefactor. She defends his identity and withdraws from fighting him out of gratitude 11 18 22 29.
• Tuoba Xi — Fellow traveler during her treatment and soul-ring hunt. He and Dugu Bo discuss bringing their families closer through a proposed match between their grandchildren, much to Dugu Yan’s discomfort 22 23.
• Qin Ming — Imperial Fighting Team teacher present during her first fight with Tuoba Xuan. He initially expects her and Yu Tianheng to win, then recognizes how decisively they have been outmatched 10 11.
• Yu Feng and Shi Mo — Teammates who praise her poison after the team’s victory in Tuotie City 10.

Notable Quotes

“When it comes to poison, the Dugu Family bows to no one.” 10

“I was in the wrong before. Thank you, benefactor, for saving my grandfather’s life.” 18

“His name is Tuoba Xuan; he is the grandson of the Sacred Dragon Douluo and a benefactor to my Dugu Family.” 29