Dugu Bo

Biodata

Feature	Value
Name	Dugu Bo (独孤博)
Alias(es)	Poison Douluo 9; “Old Poison,” used by Yu Yuanzhen 21
Gender	Male
Affiliation	Independent cultivator with a nominal position supporting the Heaven Dou Imperial Family 15 64
Occupation/Role	Poison specialist; Fang Xuan’s master; owner of the medicinal garden at the Ice and Fire Yin-Yang Well 17 24 26
Cultivation Rank	Titled Douluo; exact soul-power level is not specified 2 46 47
Martial Soul	Jade Phosphor Serpent Emperor 25 56
Family	Dugu Yan, his granddaughter and only remaining family member 25 34
Status	Alive at his latest documented mention 68
First Appearance	Mentioned in 2; first shown in person in the supplied context in 15

Power Progression

Stage / Realm / Level	Chapter	Notes
Titled Douluo — established rank	2 9	Known as the weakest Titled Douluo, but still overwhelmingly stronger than lower-ranked soul masters. His cultivation has stagnated for years because of backlash from his own poison.
Breakthrough within the Titled Douluo realm — exact level unspecified	46 47	A single bite of Fang Xuan’s Poison-Infused Okra breaks his longstanding cultivation bottleneck and greatly improves his toxin control. The initial surge nearly destroys Fang Xuan’s roof and releases his venom, but he restrains it in time.

Background / History

Family and Imperial Position

Dugu Bo’s wife and children have died, leaving Dugu Yan as his only remaining relative. Fang Xuan raises the possibility of a connection between the family’s losses and their inherited poison, but the supplied account does not establish the cause of their deaths 9.

Despite remaining an independent cultivator, Dugu Bo supports the Heaven Dou Imperial Family. He is identified as its only aligned Titled Douluo, giving him considerable influence in Heaven Dou City 15 50 64.

Supporting Fang Xuan’s Marriage

Dugu Bo becomes interested in Fang Xuan after learning that the eighteen-year-old Soul King has recognized Dugu Yan’s poisoning. When Ye Qinru refuses Fang Xuan’s marriage proposal, Dugu Bo deliberately spreads news of his vigil outside the Ye estate. His strategy is to make the situation too public to retreat from, pressuring the Ye family while keeping spectators from disturbing Fang Xuan 15.

After Fang Xuan completes seven days of kneeling and wins Ye Qinru’s approval, Dugu Bo claims him as his disciple. His ensuing tug-of-war with Ye Qinru causes the exhausted Fang Xuan to faint 17.

Treatment and the Medicinal Garden

Dugu Bo waits nearly half a month for Fang Xuan to address his lifelong poison problem, setting aside work on his medicinal garden. Although skeptical of the proposed treatment, he agrees to try it because Dugu Yan trusts Fang Xuan 24.

The first treatment successfully extracts a fingernail-sized quantity of accumulated venom. Delighted by a result he had never achieved himself, Dugu Bo immediately takes Fang Xuan to the Ice and Fire Yin-Yang Well and allows him to harvest freely. He insists that his disciple take an entire sack of herbs rather than only one or two plants 25 26.

Dugu Yan’s Marriage Dispute

Dugu Bo permits Dugu Yan to date Yu Tianheng but repeatedly rejects their marriage proposals without explaining why. He also beats Yu Tianheng, prompting the younger man to seek his grandfather Yu Yuanzhen’s intervention 9 20.

At Fang Xuan’s wedding, Yu Yuanzhen presents Dugu Bo with a nine-thousand-year skull spirit bone as a betrothal gift. Dugu Bo keeps it but does not use it: using the bone would amount to formally sanctioning the marriage, and he is not ready for Dugu Yan to leave home 21 34 36.

He later attacks the Blue Lightning Tyrant Dragon Clan’s bloodline by citing Yu Xiaogang’s defective martial soul. Fang Xuan explains that this is a pretext to antagonize Yu Yuanzhen and delay the wedding—not a genuine rejection of the couple. Dugu Bo’s underlying concern is losing daily companionship with his only remaining family member 33 34.

Breakthrough and Later Support

After Dugu Yan introduces him to Poison-Infused Okra, Dugu Bo experiences an immediate breakthrough and becomes a punctual regular at Fang Xuan’s meals. He also helps gather Soul Tools for his disciple’s research 46 47.

Dugu Bo refuses Ning Fengzhi’s engagement-banquet invitation and resents his veiled criticism of Fang Xuan. Accompanying Xue Qinghe to the academy, he witnesses Fang Xuan defeat Zhao Wuji with the Thunder Punishment Sword 50 53.

He subsequently watches Dugu Yan overwhelm Tang San and Ning Rongrong with arena-wide poison. Ye Lingling’s evolved martial soul surprises him even more, leading him to question Fang Xuan about the herbs taken from his garden 56 57.

Personality

Dugu Bo is eccentric, blunt, and willing to use underhanded methods. He weaponizes public opinion for Fang Xuan’s benefit and exploits Yu Xiaogang’s condition to provoke Yu Yuanzhen. Nevertheless, he explicitly places limits on favors he will grant, and Fang Xuan regards him as fundamentally decent and more straightforward than the major factions 15 24 25 47.

His affection for Dugu Yan overrides his other priorities. He accepts an experimental treatment rather than let Fang Xuan test it on her, and values keeping her close more than obtaining a spirit bone. His protectiveness is not always practical: he provides everything at home but restricts her pocket money because he overlooks expenses a young woman might have 6 25 36.

Once Fang Xuan earns his trust, Dugu Bo treats him like a son and becomes lavishly generous. His interest in equipment remains selective: he enthusiastically examines the Thunder Punishment Sword, but later dismisses tools that cannot improve his own strength. By then, another meal of okra interests him more than low-grade Soul Tool demonstrations 26 54 64.

Abilities & Skills

Jade Phosphor Serpent Emperor

His martial soul produces Jade Scale Snake Poison, a venom dangerous enough that even other Titled Douluo hesitate to underestimate him 25 47.

• Exceptional toxicity: The longstanding venom accumulated inside his body is especially lethal 25.
• Threat to equal-ranked opponents: Once inflicted, the poison is described as effectively impossible to cure under ordinary circumstances 47.
• Self-inflicted backlash: His own toxins have permeated his body and marrow, causing chronic suffering and obstructing cultivation 9 25 47.
• Improved control: Poison-Infused Okra lets him manipulate the accumulated venom far more effectively, although complete control remains difficult 46 47.

By the later imperial developments, Ci Xue detects stronger soul power and increasingly concentrated poison in Dugu Bo. Originally stationed to counter him, Ci Xue is no longer confident that he can suppress him 68.

Poison Expertise

Dugu Bo is an experienced poison researcher, but his expertise does not extend to identifying every rare plant in his garden 24 26.

• Confirms that Jade Scale Snake Poison cannot corrode spirit bones, though his independent attempts to purge himself through them fail 24.
• Suppresses Dugu Yan’s inherited toxins, slowing their harmful effects 13.
• Avoids indiscriminately consuming unfamiliar herbs because an incorrect choice could be fatal 57.

Political Influence

His Titled Douluo status gives him leverage beyond combat 15.

• Spreads Fang Xuan’s marriage dispute throughout Heaven Dou City while controlling access to the vigil 15.
• Draws imperial attention to the dispute; Emperor Xue Ye orders troops to cordon off the Ye estate 15.
• Provides backing that makes others reluctant to harm Dugu Yan directly 54.

Poison Backlash and Treatment

Method	Result / Limitation
Life Dew	Repairs damage caused by years of resisting his own toxins and gives him an unprecedented feeling of relief; it supports the extraction procedure rather than replacing it 25.
Bone-Scraping Poison Treatment	Fang Xuan uses silver needles and soul power to guide toxins through Dugu Bo’s meridians toward a spirit bone. Dugu Bo then forces them onto a needle and out of his body. The first half-day removes only a fingernail-sized quantity 25.
Poison-Infused Okra	Improves toxin control and triggers his cultivation breakthrough. Its effects weaken over time, and the food keeps for at most one day, encouraging fresh consumption 46 47.
Snow Swan’s Kiss — reserved, not administered	Fang Xuan sets aside this toxin-strengthening immortal herb for him but withholds it until he fully masters his poison; administering it earlier would endanger him 57.

Equipment / Weapons / Items

• Existing spirit bones — Used in his unsuccessful independent detoxification attempts and later as part of Fang Xuan’s extraction procedure 24 25.
• Nine-thousand-year skull spirit bone — Received from Yu Yuanzhen as Yu Tianheng’s betrothal gift; kept unused to avoid finalizing Dugu Yan’s marriage 21 36.
• Ice and Fire Yin-Yang Well medicinal garden — Contains rare plants and immortal herbs whose full value he does not recognize. He grants Fang Xuan unrestricted harvesting access after the successful treatment 26 57.
• Wish-Fulfilling Treasure Pouch — Gifts it to Fang Xuan, who uses it to carry the harvested immortal herbs 26.

Relationships

• Dugu Yan — Granddaughter and only surviving relative. His reluctance to let her marry comes from wanting more time together, not disregard for her happiness 25 34 36.
• Fang Xuan — Disciple, healer, and surrogate son. Dugu Bo also repeatedly considers making him Dugu Yan’s husband, though that match does not materialize 25 26 29 36.
• Yu Tianheng — Dugu Yan’s boyfriend and prospective husband. Dugu Bo subjects him to repeated beatings and delays his marriage plans, while acknowledging his granddaughter’s affection for him 9 20 25 47.
• Yu Yuanzhen — Rival and negotiating counterpart over their grandchildren’s marriage. Dugu Bo admits he cannot defeat him directly and instead resorts to provocation 21 25 33.
• Ye Qinru — Initially pressured by his marriage scheme; later treated as family through Fang Xuan. The two also compete over Fang Xuan after the seven-day vigil 15 17 26.
• Xue Qinghe — Imperial associate who consults and travels with him. Dugu Bo accompanies the Crown Prince during discussions involving Fang Xuan and Soul Tools 35 36 50 64.
• Ning Fengzhi — Political figure he openly disdains, particularly when Ning Fengzhi disparages Fang Xuan or interferes in his family affairs 22 50.

Notable Quotes

“Don't, let it be me. My old bones are still sturdy enough to withstand your tinkering.” 25

“One or two stalks? Are you looking down on your master? Today, you are going to fill an entire sack and take it with you.” 26

“I broke through! I actually broke through!” 46