Dugu Bo

Biodata

Feature	Details
Name	Dugu Bo (独孤博)
Alias(es)	Poison Douluo; “Old Monster,” used by Dai Yichen 160 188
Species/Race	Human 111
Gender	Male
Affiliation	Formerly associated with the Heaven Dou Empire through Prince Xue Xing; later an ally and protector of Dai Yichen and the Star Luo Imperial Family 72 83 205
Occupation/Role	Control-type Soul Master, Titled Douluo, poison specialist, and pill refiner 107 170 205
Martial Soul	Jade Phosphorous Serpent → Jade Phosphorous Serpent Emperor, also rendered as Azure Phosphorus Serpent Emperor 111 205
Cultivation	Peak level 96 Super Douluo 320
Family	Granddaughter: Dugu Yan; his son and daughter-in-law died from poison backlash 107 111
Status	Alive; participates in the battle and recovery of soul bones after Yu Yuanzhen’s death 321
First Appearance	Mentioned in Dai Yichen’s diary before his first supplied direct scene with Dugu Yan 46 69

Power Progression

Stage / Realm / Level	Chapter	Notes
Soul Sage; martial soul evolution	111 192	Historically, his Jade Phosphorous Serpent evolved into the Serpent Emperor upon reaching Soul Sage. He began forming an Inner Core, and his strengthened venom became uncontrollable.
Titled Douluo; level 91 baseline	188 191	The Ice Fire Yin Yang Well suppressed his poison sufficiently for him to survive and reach Titled Douluo. Level 91 is confirmed as his cultivation before the Ice Fire Pill treatment.
Level 93 Titled Douluo	191	Taking an Ice Fire Pill and bathing in the well raised his cultivation by two levels. He regained the ability to exert his full strength without poison backlash.
Level 94 Titled Douluo	190 192	Reached after absorbing the Eight Petal Immortal Orchid selected by Dai Yichen.
Level 95 Super Douluo	208 209	Broke through during the five-year interval. He credits Dai Yichen’s cultivation method with improving his cultivation speed and combat strength.
Heavenly Poison Soul Core; Nine Nether Poison Domain	209	Completed his Soul Core under Dai Yichen’s protection and unexpectedly gained a domain-type soul skill. He remained level 95 because his insight and accumulated Soul Power were insufficient for another breakthrough.
Level 96 Super Douluo	270	Confirmed at level 96 when Bi Ji and Zi Ji visit the academy; the breakthrough itself is not shown in the supplied passages.
Peak level 96 Super Douluo	320	Unleashed his full poison strength during the ambush on Tang Xiao and the Second Elder, supported by his Heavenly Poison Soul Core.

Background / History

Dugu Bo’s poison backlash began when he became a Soul Sage and his martial soul evolved. His venom abruptly strengthened beyond his control, while the Inner Core he formed contained half his strength. His son and daughter-in-law also died from the family’s poison affliction. Hoping to spare Dugu Yan the same fate, he directed her toward poison-mist control to moderate the venom’s violence, although this only delayed its effects 107 111 116.

The Ice Fire Yin Yang Well became his means of suppressing the poison and surviving long enough to reach Titled Douluo. He protected the site with poisonous miasma but could not identify its immortal-grade herbs. Separately, Prince Xue Xing saved his life, and Dugu Bo spent more than ten years repaying that debt in the Heaven Dou Empire 46 72 188.

Dugu Yan persuaded him to take her and Ye Lingling to Star Luo. She explained her knowledge of the family’s poisoning through a supposed precognitive dream, unsettling him because he had never disclosed the severity of his condition. Emperor Dai Yutian initially suspected his arrival might conceal hostile intentions, but Dugu Bo attributed the transfer to his granddaughter’s interest in Dai Yichen 69 83.

After watching Dai Yichen counter Dugu Yan’s poison, Dugu Bo sought his help and offered to accompany him to Gengxin City. Their journey developed into a close friendship: Dugu Bo taught him basic pill refinement, helped secure Dugu Yan’s third soul ring, and volunteered to cover their retreat when Scarlet King appeared 109 110 154 157 170.

At the Ice Fire Yin Yang Well, Dugu Bo refined Ice Fire Pills under Dai Yichen’s guidance. The treatment suppressed his poison, restored his full combat strength, and raised him to level 93; the Eight Petal Immortal Orchid then brought him to level 94. Five years later, he reached level 95 and completed his Heavenly Poison Soul Core 189 191 192 208 209.

Appearance

Initially, Dugu Bo appears as a white-haired elderly man with shadowy eyes. After the Ice Fire Pill treatment, his hair becomes flowing green locks, he looks much younger, and his appearance is described as handsome 109 191.

• Before treatment: White hair and an aged appearance 109 191.
• After treatment: Green hair and a visibly rejuvenated face 191.
• Martial Soul True Body: A massive emerald-green Serpent Emperor 321.

Personality

Dugu Bo is sharp-tongued, proud, and fiercely independent. He mocks Chen Xin’s obligations to the Seven Treasure Glazed Tile Sect as a “shackle” and insists that his own freedom matters more than appearances. His frightening reputation is so entrenched that Blacksmith Association guards remain afraid even when he tries to act friendly 170 176.

His behavior toward trusted companions contrasts with that reputation. Dai Yutian recognizes that he disdains lying, while Dai Yichen values his loyalty and willingness to repay favors. Dugu Bo trusts Dai Yichen before hearing a complete treatment plan and later risks his life rather than abandon him to Scarlet King 57 83 110 157.

Dugu Yan is his greatest vulnerability. He changes his decisions for her health and happiness, worries through her prolonged soul-bone fusion, and actively encourages her relationship with Dai Yichen. His matchmaking ranges from insisting on the affectionate address “Yan Yan” to an unsuccessful attempt to bring them closer over alcohol 83 206 284.

Abilities & Skills

Jade Phosphorous Serpent Emperor Poison

His principal weapon is potent venom suited to control and large-area attacks. After treatment, he can release his strongest poison without the backlash that previously restricted him 205 320.

• Poison miasma: Establishes a poisonous barrier around the Ice Fire Yin Yang Well and supplies antidotes for passage 188.
• Poison arrays: Threatens to deploy poison near the Clear Sky Sect as a deterrent against Tang Hao 205.
• High toxicity: A roughly two-thousand-year Poison Armor Rhinoceros Python cannot withstand his venom despite its poison resistance 154.
• Cleanup: Retrieves residual poison from Yu Yuanzhen’s corpse and the contaminated ground to prevent further consequences 321.
• Limits: The Auspicious Beast’s light and fire suppress his venom. He also fears that Bi Ji’s dense life energy could purify it 156 158.

Martial Soul True Body and Defensive Shield

Skill	Soul Skill Slot	Function
Serpent Emperor Heavenly Shield	Fifth	Condenses Serpent Emperor Poison into a defensive shield; identified as his only defensive soul skill at that time 205.
Azure Phosphorus True Body	Seventh	Activates his Martial Soul True Body 205 321.
Ninth soul skill attack	Ninth	Used with his True Body to release a compressed shockwave of highly toxic energy; described as his strongest attack 321.

• His defense withstands Tang Hao’s Clear Sky True Body only with Dai Yichen’s additional Life Reflection Shield; that shield is not Dugu Bo’s own ability 205 206.
• The ninth soul skill corrodes Yu Yuanzhen’s body immediately after striking him 321.
• Close combat is an earlier weakness, illustrated by his difficulty safely subduing the Poison Armor Rhinoceros Python 154.

Inner Core and Heavenly Poison Soul Core

His original Inner Core is a green, pill-like object that he can expel from his mouth. It contains half his strength; Dai Yichen initially interprets it as a half-finished Soul Core and suspects its crude formation caused the backlash 110 111.

• Dugu Yan later develops an Inner Core prototype after the same martial soul evolution, suggesting that its formation is connected to the evolved martial soul rather than Dugu Bo’s talent alone 192.
• At level 95, he gathers Soul Power into his existing Inner Core and completes the Heavenly Poison Soul Core 209.
• The completed core supports his strongest venom and is visibly present within the energy gathered for his attack on Yu Yuanzhen 320 321.

Nine Nether Poison Domain

A domain-type soul skill gained unexpectedly when he completes his Heavenly Poison Soul Core 209.

• Enhances his attributes by absorbing opponents’ lost Soul Power 209.
• Its poison does not affect Dai Yichen, who possesses Immunity to All Poisons 209.

Cultivation Techniques

Dai Yichen gives him the same cultivation method used by Dugu Yan, improving both his training speed and combat strength 209.

• Poison Barrier Body Protection 209.
• Thousand Scales Soul Slaughter 209.

Pill Refinement

Dugu Bo teaches Dai Yichen basic pill-refining methods during their journey and later works from formulas Dai Yichen provides 170 206.

• Refines the Ice Fire Pills used to suppress the family’s poison 189 191.
• Successfully produces Mystic Water Pills, which can raise a consumer’s Innate Soul Power by up to one level 206.
• Receives formulas for the Soul Ascension Pill and Cosmos Creation Pill, but explicitly lacks the skill to refine the latter at that time 206.
• His knowledge initially does not extend to identifying the immortal herbs growing at his own refuge 46.

Flight and Concealment

• Carries Dai Yichen and his companions through the air to shorten the journey to Sunset Forest 188.
• Conceals himself in the void to eavesdrop on Dai Yutian and observe Dugu Yan’s spar 83 107.
• Uses Soul Power to isolate Dugu Yan from disturbances while she absorbs her third soul ring 158.

Equipment / Items

• Ice Fire Yin Yang Well — His refuge in Sunset Forest, containing rare medicinal plants and opposing ice-and-fire waters that suppress his poison 188.
• Antidote pills — Supplies protection against dangerous venom and his own poisonous miasma 154 188 320.
• Ice Fire Pill — Refined from Octagonal Mysterious Ice Grass, Infernal Delicate Apricot, and auxiliary herbs; suppresses his poison and tempers his body when activated in the well 189 191.
• Eight Petal Immortal Orchid — Selected for its mild, rich medicinal properties, foundation-strengthening effects, and suitability for his age; raises him to level 94 190 192.

Relationships

• Dugu Yan — Granddaughter and foremost priority. He guides her cultivation, seeks treatment for her inherited poisoning, and encourages her closeness with Dai Yichen 107 110 206 284.
• Dai Yichen — Healer, trusted friend, cultivation benefactor, and fellow strategist. Their reciprocal nicknames are “Old Monster” and “Little Monster” 188 192 206 209.
• Prince Xue Xing — Former benefactor whose rescue led Dugu Bo to spend more than a decade repaying him 72.
• Dai Yutian — Star Luo Emperor. Initially wary of Dugu Bo’s intentions, he welcomes the strategic value of gaining a Titled Douluo ally 83.
• Tang Hao — Adversary. Dugu Bo counters his demands and assassination threats by threatening the Clear Sky Sect; his shield’s poison leaves Tang Hao coughing green blood after the confrontation 205 206 207.
• Yue Guan — Rival who previously suppressed him in battle. After regaining his full strength, Dugu Bo wants a rematch but postpones it to remain near the academy following Tang Hao’s threats 191 206.
• Chen Xin — A target of his teasing about sect obligations, later a battlefield ally against Yu Yuanzhen and the Clear Sky Sect experts 176 321.
• Tang San — In Dai Yichen’s account of the original story, Tang San temporarily treats his poison and receives extensive assistance in return. This is an alternate course of events, not the treatment Dugu Bo undergoes in the novel’s current storyline 57 191.

Major Battles and Political Role

Event	Dugu Bo’s Contribution
Encounter with Scarlet King	Offers to cover the retreat and entrust Dugu Yan to Dai Yichen, despite knowing that full exertion could trigger fatal poison backlash 157.
Tang Hao’s resource demands	Defends the imperial family with Dai Yichen’s support and establishes the Clear Sky Sect as leverage against further interference 205 206.
Bi Ji and Zi Ji’s academy visit	Waits for Dai Yichen’s decision rather than interrupting, remaining behind him as protection despite the visitors’ superior strength 270.
Threats against Skywater Academy members	Accepts Shui Xue’er’s request for help and coordinates with Dai Yichen after learning that hostile experts are following them 318.
Ambush on Tang Xiao and the Second Elder	Fills the battlefield with poison after allies take his specially prepared antidote, forcing both opponents to expend Soul Power resisting it 320.
Battle against Yu Yuanzhen	Defeats him with a compressed toxic shockwave, retrieves the remaining poison, and recovers three lightning-attribute soul bones from his corpse 321.

Notable Quotes

“You're the first person who was able to see that there was something wrong with Yan Yan's body, so I've chosen to trust you once.” 110

“If someone has to cover the rear, it should be this old man! Little Monster, if anything really happens later, I'll leave Yan Yan in your care.” 157

“Don't judge me by how I look now. I'm far freer than you!” 176