Dugu Bo

Biodata

Feature	Value
Name	Dugu Bo (独孤博)
Alias(es)	Poison Douluo; Jade Phosphorus Douluo 21
Species/Race	Human 30
Gender	Male 21
Affiliation	Dugu Clan; guest elder of the Heaven Dou Empire’s imperial family 22 24
Occupation/Role	Solitary Titled Douluo, poison specialist, and protector of Xia Yuan 26 32 58
Martial Soul	Jade Phosphorous Serpent Emperor, evolved from the Jade Phosphorous Serpent 30
Residence	A secluded retreat and medicinal garden at the Ice and Fire Yin Yang Well in Sunset Forest 24 25
First Appearance	Contacted by Dugu Yan in Chapter 20; identified by name in Chapter 21 20 21

Power Progression

Stage / Realm / Level	Chapter	Notes
Titled Douluo; Martial Soul evolves into the Jade Phosphorous Serpent Emperor	30	An earlier breakthrough recounted during the soul hunt. The evolution grants him the “ancestor of all serpents” ability, allowing suppression of snake-type soul beasts.
Soul Power increases by one rank	28	After a year of Xia Yuan’s treatment, previously suppressed Soul Power rises as his Martial Soul’s poison backlash is brought under control. His exact numerical rank is not stated.

Background / History

Family and Poison Backlash

The Dugu Clan’s inherited Jade Phosphorous Serpent Martial Soul afflicts its users with their own poison. Dugu Bo suffers convulsions every midnight, accompanied by severe pain and cold sweat. His son died young, and his granddaughter Dugu Yan inherited toxins before birth, though her lower cultivation initially kept the symptoms from emerging 22 23 26.

Dugu Bo discovered the Ice and Fire Yin Yang Well and established his retreat there. Its environment suppresses the toxins in his body, allowing him to live near a spring whose extreme heat and cold remain dangerous even to him 25 61.

Meeting Xia Yuan

Dugu Yan asks Dugu Bo to secretly protect Xia Yuan after her involvement draws him into a conflict with Yu Tianheng. Dugu Bo agrees, while teasing her about whether she likes the boy. Xia Yuan detects his concealed presence through the Blue Silver Domain, surprising him 21.

Their conversation turns to Dugu Bo’s poisoning. Initially defensive, he becomes interested when Xia Yuan proposes a treatment that could also help Dugu Yan. During a subsequent midnight episode, Xia Yuan exhausts his strength using the Blue Silver Emperor’s restorative properties to ease Dugu Bo’s suffering. The effort earns Dugu Bo’s genuine approval 22 23.

Treatment at the Ice and Fire Yin Yang Well

Dugu Bo takes Xia Yuan from Heaven Dou Royal Academy with his consent, agreeing to an initial seven-day return deadline. He grants access to his herbs but forbids damage to the garden and warns against touching the spring water 24 25.

Xia Yuan prepares medicinal liquid containing a drop of his own blood after consuming the ice-and-fire immortal herbs. With this catalyst, Dugu Bo successfully begins directing his toxins into his Head Soul Bone. The method relieves the backlash without destroying his poison cultivation, but does not completely remove the underlying problem 25 26.

Dugu Bo offers to make Xia Yuan his disciple and then proposes a betrothal to Dugu Yan. Xia Yuan declines both, and Dugu Bo does not force the issue. Instead, he gives him the Wishful Treasure Pouch as repayment 27.

Treatment continues during Xia Yuan’s year-long stay. Dugu Bo eventually stops because further toxin removal might cause a backlash; by then, the remaining poison no longer affects his strength or daily life, and his Soul Power has risen one rank 28.

Soul Hunts and Dugu Yan’s Evolution

Dugu Bo helps Xia Yuan obtain his third Soul Ring by capturing a ten-thousand-year Withered Wood Dragon Python. He keeps watch during the absorption and afterward offers continued protection, believing Xia Yuan may surpass Tang Hao’s record as the youngest Titled Douluo 30 31 32.

He later accompanies Xia Yuan on another hunt and poisons the Black-Armored Dragonblood Tree used for his fourth Soul Ring. Despite supporting the hunt, he warns that rapid advancement can destabilize a Soul Master’s foundation 56 60 61.

Dugu Bo guards Dugu Yan while she absorbs the Dragon Jade Grass supplied by Xia Yuan. Her Martial Soul evolves into the Jade Phosphorous Poison Dragon, whose bloodline exerts pressure even on his Serpent Emperor. Moved to tears, he celebrates her success 61 62.

Tournament Appearance

Dugu Bo watches the tournament from Heaven Dou Royal Academy’s viewing area and is among the Titled Douluo present when the fourth round is held before Pope Hall 114 115.

Appearance

• Green hair and a beard: His most immediately recognizable features when Xia Yuan detects him at the academy 21.
• Elderly appearance: He is introduced as a green-haired old man 21.
• Stern expression: His hard expression visibly softens when Dugu Yan embraces him 21.

Personality

Dugu Bo is eccentric, temperamental, and guided by personal likes and dislikes. His reputation makes the academy’s education committee reluctant to trust him. Xia Yuan regards him as someone who does not mind bullying weaker opponents, but who keeps promises and sincerely helps people he acknowledges 21 24.

His affection for Dugu Yan strongly influences his decisions. He is willing to accept his own death but fears that she will suffer the family’s poison curse. After she confesses to Xia Yuan, he acknowledges that a genius may attract other women, yet asks Xia Yuan to cherish her and never hurt her 22 56.

His concern does not extend equally to strangers. He initially refuses to intervene when Skywater Academy and Blazing Fire Academy are threatened, considering their survival none of his business. Nevertheless, he rejects indiscriminate slaughter as a sensible way to obtain Soul Bones and uses nonlethal poisons when precautions are sufficient 28 30 58.

Abilities & Skills

Jade Phosphorous Serpent Emperor Avatar

• Seventh Soul Skill: Transforms him into a jade-green serpent over thirty meters long and as thick as a water vat 30.
• Distinctive form: Diamond-shaped emerald scales cover the avatar, with green mist surrounding its body 30.
• Serpent suppression: His evolved Martial Soul exerts pressure on snake-type soul beasts; the Withered Wood Dragon Python nearly falls from its tree when the avatar appears 30.
• Capture: Combines poisonous mist with the avatar’s immense body to overpower the python 30.

Poison Arts

• Jade Phosphorus Snake Poison: Particularly effective against weaker opponents and for area attacks, despite his comparatively limited individual offensive power 29.
• Powerful corrosion: Poisons the Black-Armored Dragonblood Tree until it is corroded beyond recognition 60.
• Nonlethal control: Temporarily immobilizes threatening soul beasts without killing them 30.
• Triggered fatigue poison: Can lay down a drug that causes tiredness only after he activates it; otherwise, its targets naturally neutralize it over time 58.
• Combat ceiling: His poison can affect a hundred-thousand-year soul beast if it lands, but his direct combat strength is insufficient to reliably fight such an opponent 60.

Poison Core

• Cultivation reservoir: His poison arts are condensed into a Poison Core containing nearly all his cultivation 26.
• Major vulnerability: Losing the core would disperse more than half his cultivation 26.
• Incomplete protection: The core does not prevent corrosion from his own Martial Soul’s poison 26.

Poison Formations and Fieldcraft

• Protected retreat: Surrounds his Sunset Forest hideout with poisonous mist. At least Soul Douluo cultivation is needed to force out the poison 24.
• Controlled entry: Supplies antidote pills to visitors, including Xia Yuan, Dugu Yan, and Ye Lingling 24 61.
• Camp defenses: Uses insect- and snake-repelling powder alongside a ring of poisonous mist 30.
• Aura concealment: Suppresses his aura while searching for soul beasts so that they do not immediately flee 30.
• Tracking: Identifies traces left by powerful snake-type soul beasts, including constriction marks driven deep into trees 30.

Medusa’s Gaze

• Named in Xia Yuan’s proposed plan to capture the Dark Demon Evil God Tiger after Chrysanthemum Douluo and Ghost Douluo immobilize it. Dugu Bo is not included in the eventual expedition arranged by Qian Renxue 67 69.

Equipment / Weapons / Items

• Head Soul Bone — Serves as the vessel into which he guides his accumulated toxins during treatment 26.
• Wishful Treasure Pouch — A blue leather storage soul tool capable of holding living things and preserving herbs. Obtained by chance and later gifted to Xia Yuan 27.
• Antidote pills — Protect visitors from his poison formation; family members are not naturally exempt from its effects 24 61.
• Poison Refining Notes — His recorded poison knowledge. Xia Yuan’s Empty Handed ability offers the notes as a theft result, but Xia Yuan declines to take them 28.

Relationships

• Dugu Yan — Granddaughter and his foremost concern. He protects those she values, seeks a suitable Soul Bone for her, and celebrates her Martial Soul evolution 21 28 62.
• Xia Yuan — Initially a young man protected at Dugu Yan’s request; later his healer, trusted ally, and favored junior. Their relationship becomes mentor-like, although Xia Yuan declines formal discipleship 23 27 30 58.
• Unnamed son — Deceased son who died young; Dugu Bo fears Dugu Yan will share that fate 26.
• Yu Tianheng — Initially tolerated as a suitor who might offer Dugu Yan stability. Dugu Bo loses interest in that prospect after recognizing Xia Yuan as a better choice 22 26.
• Xue Qinghe — Crown prince of the imperial family Dugu Bo serves as a guest elder. His concern over Xia Yuan prompts a visit accompanied by Ning Fengzhi and Sword Douluo 24 25 27.
• Ye Lingling — Dugu Yan’s companion; Dugu Bo supplies her with an antidote and helps guard her immortal-herb absorption 61 62.

Trivia

• His stated lifelong ambition is to become a Peak Douluo; he considers Rank 99 beyond his own potential 56.
• Most immortal herbs offer him no useful benefit. The ice-and-fire pair could address his poison but would also eliminate cultivation he refuses to sacrifice 61.
• A herb rich in life force would initially worsen his condition by giving the poison greater scope to retaliate, rather than curing its backlash 109.
• Although once considered the weakest Titled Douluo, he remains an opponent the Golden Iron Triangle does not confidently expect to defeat 114.