Dugu Yan

Biodata

Feature	Details
Name	Dugu Yan (獨孤雁)
Alias(es)	Sister Yan; Yan Yan
Gender	Female
Affiliation	Moon Xuan; Heaven Dou Royal Academy; Imperial Dou Team; Sea God Island trials 11 21 154
Occupation/Role	Control System Spirit Master; Imperial Dou Team vice captain; temporary lead teacher after Qin Ming's departure 21 29
Martial Soul	Jade Phosphorous Serpent; later transformed into a jade-like serpent Martial Soul infused with Blue Silver vitality 21 136
Status	Alive; selected as a Deity inheritor 185
First Appearance	Chapter 11

Power Progression

Stage / Realm / Level	Chapter	Notes
Level 38 Control System Spirit Master	21	Recorded as the Imperial Dou Team's vice captain, with two yellow and one purple Spirit Ring.
Jade Phosphorous Serpent transformation	136	After seclusion and aid from the Blue Silver Clan, her Martial Soul gained blue-gold life patterns; its poison became more active and could take forms such as spirit serpents or starlight.
Sea God's First Trial completed	154	Climbed all 333 steps of Sea God Mountain after nearly a year, tempering her body and will while further refining her venom.
Sea God's Second Trial completed	172	Broke through the Ring of Sea blockade through precision venom use, mobility, and support from Ning Rongrong and Ye Lingling; received a one-level Soul Power increase.
Divine trials completed	174	Completed her divine trials alongside Ning Rongrong and Ye Lingling, making major gains in strength.
Deity inheritor	185	Was chosen as an inheritor of a Deity.

Background

Dugu Yan is Dugu Bo's only granddaughter. Her parents died from the inherited poison of the Jade Phosphorous Serpent Martial Soul, leaving her with the same bloodline affliction. The poison accumulated in her body, causing persistent chest oppression and posing a long-term threat to her life. Dugu Bo concealed this weakness because public knowledge of the Dugu bloodline's poison could endanger the clan's future and make marriage alliances impossible. 12 19

At Moon Xuan, Feng Yao unintentionally infused his zither performance with Soul Power. The sound forced Dugu Yan to expel emerald Poison Blood, relieving the chest oppression that had burdened her for years. Dugu Bo later determined that her accumulated toxin level had fallen by twenty percent. 11 12

Feng Yao subsequently used his Zither Sound Body Tempering Method at the Ice and Fire Yin Yang Eye, expelling a further thirty percent of her toxins. He explained that sound-guided poison removal and a compatible Spirit Bone could allow her to manage the danger within her bloodline without sacrificing her poisonous inheritance. 12 13

Appearance

Dugu Yan is a slender young woman associated with serpent-like elegance and jade-green coloration. She is first depicted with green hair and emerald eyes, often wearing fitted green clothing and carrying herself with a lazy, poised demeanor. 11 12

Following her seclusion and transformation, her hair gained a blue-gold sheen and her body developed a jade-like radiance reflecting the life energy integrated into her Martial Soul. 136

• Green or jade-toned hair, later marked by blue-gold motes and patterns.
• Emerald eyes, described as sharp and snake-like in moments of anger.
• Favors elegant green academy uniforms and fitted emerald outfits.
• Her transformed Martial Soul manifests blue-gold life patterns across jade-colored serpent scales. 11 14 136

Personality

Dugu Yan is playful, direct, and fond of teasing those close to her—particularly Feng Yao and Ye Lingling. Beneath her relaxed exterior, she is perceptive about other people's motives and unafraid to confront arrogance or possessiveness. 11 14 100

She is fiercely protective of Feng Yao and her friends. When Yu Tianheng repeatedly questioned her connection to Feng Yao, she slapped him and rejected the idea that she needed to justify caring for someone under her protection. 19

Her experiences with the Dugu Clan's inherited poison also make her cautious about power. She understands that her poison is both a lethal weapon and a dangerous bloodline burden, and she refuses a cure that would permanently halt the development of her venom. 13

Abilities & Skills

Jade Phosphorous Serpent Martial Soul

Dugu Yan's Martial Soul grants her serpent traits, poison-based combat, and a control-oriented fighting style.

• Uses Jade Phosphorous Serpent Poison to restrict enemy movement and pressure opponents into unfavorable positions. 52 53
• Can enter Jade Phosphorous Serpent Emperor Possession, gaining increased speed, agility, and partial serpent transformation. 172
• Her inherited poison originally accumulated within her own body, making poison control and detoxification necessary for her survival. 11 12

Refined Venom Control

After her training, Spirit Bone acquisition, and transformation, Dugu Yan developed far finer control over her venom.

• The Spirit Condensing Wisdom Skull was given to her because it was especially suited to improving her precision in controlling Jade Phosphorous Snake Poison. 61
• Rather than flooding an area with poison, she can condense venom into needle-like attacks and strike vital points in an enemy's Soul Power circulation. 172
• Her toxic mist can compress an opponent's movement space and exploit fear created by unfamiliar poison-based attacks. 52 53
• Her venom remains dangerous to wield recklessly; her bloodline constitution once made powerful medicinal supplements potentially fatal. 13 136

Blue Silver-Infused Martial Soul

The Blue Silver Clan's aid transformed the nature of Dugu Yan's Martial Soul, balancing serpent poison with powerful vitality.

• Her poison gained a contradictory quality of life and destruction rather than remaining purely deathly and corrosive. 136
• Toxic mist can form living serpent shapes or disperse as blue-gold starlight. 136
• The transformation improved her foundation beyond the limits of her original Jade Phosphorous Serpent bloodline. 136 157

Sea God Trial Conditioning

Dugu Yan's Sea God trials strengthened both her physical endurance and combat judgment.

• Repeatedly pushed herself past her limit on Sea God Mountain, relying on Ye Lingling's healing to recover from the strain. 154
• Learned to combine mobility, venom precision, and awareness of the sea's flow during the Ring of Sea trial. 172
• Successfully navigated attacks from multiple ten-thousand-year Sea Soul Beasts without allowing her venom to spread indiscriminately through the trial area. 172

Equipment / Items

• Spirit Condensing Wisdom Skull — A top-grade skull Spirit Bone gifted by Feng Yao to improve her precise control of Jade Phosphorous Snake Poison. 61
• Immortal Grade Herb — Received from Feng Yao after her transformation to support her cultivation. 136

Relationships

• Dugu Bo — Her grandfather and sole remaining close family. He is deeply protective of her, regrets the poison inherited through the Dugu bloodline, and repeatedly prioritizes her safety over his own pride. 12 20 167
• Feng Yao — Her poison-treatment guide, academy companion, protector, and eventual lifelong commitment. Their bond begins with his zither sound expelling her toxin and deepens through mutual protection, travel, and cultivation. 11 12 29 138
• Ye Lingling — Close friend and companion. Ye Lingling worries over Dugu Yan's health, heals her during brutal training, and supports her during the Sea God trials. 11 52 154 172
• Yu Tianheng — Former fiancé. Their relationship collapses after his jealousy, distrust, and eventual attack on her; Dugu Yan ends the relationship, stating that he viewed her as a trophy rather than an equal. 19 21 29
• Ning Rongrong — Fellow Sea God trial participant and ally. Ning Rongrong's support abilities were essential in Dugu Yan's successful assault through the Ring of Sea. 145 172
• Qian Renxue — An associate within Feng Yao's circle. Dugu Yan meets her true form in the Eastern Palace and later joins her and the others in exploring the Heaven Dou Treasury. 141

Story Role / Major Arcs

Poison Affliction and Moon Xuan

Dugu Yan's first encounter with Feng Yao reveals that Soul Power-infused music can force the Jade Phosphorous Serpent Poison out of her body. This discovery gives Dugu Bo and Feng Yao a path to treating the inherited danger that killed her parents. 11 12

Heaven Dou Royal Academy

She helps Feng Yao enroll at Heaven Dou Royal Academy, introduces him to the Imperial Dou Team, and guides him through the academy's resources. Her increasing closeness with him worsens Yu Tianheng's jealousy. 14 16 19

Break with Yu Tianheng

After Yu Tianheng questions her loyalty and later attacks her, Dugu Yan openly rejects his behavior. Feng Yao intervenes and defeats Yu Tianheng, after which Yu Tianheng withdraws from the academy. Dugu Yan temporarily assumes responsibility for the Imperial Dou Team's training. 21 29

Continental Tournament

As part of the Imperial Dou Team, Dugu Yan uses toxic mist to constrain opponents. During the battle against Thunderclap Academy, she and Ye Lingling treat the severely injured opposing team after the match, ensuring that Feng Yao's assault does not leave them dead or scarred. 52 53

Transformation at the Ice and Fire Yin Yang Eye

After emerging from seclusion, Dugu Yan displays a transformed Martial Soul empowered by Blue Silver vitality. The change balances the yin nature of her serpent poison with yang wood vitality, giving her poison a more dynamic and life-infused nature. 136

Sea God Trials

Dugu Yan travels to Sea God Island with Feng Yao, Ye Lingling, Ning Rongrong, and Qian Renxue. She passes the 333 Steps trial through relentless physical conditioning, then completes the Ring of Sea trial through controlled venom strikes and coordinated support from her companions. 154 172

Notable Quotes

“You never understood me. Because you never truly treated me as your fiancée. You treated me as a trophy that could be fought over.” 21

“Do you think a proud dragon would lower its head to a snake?” 19