Dugu Bo

Biodata

Feature	Value
Name	Dugu Bo (独孤博)
Alias(es)	Poison Douluo; “Old Poison,” used by Chu Chen 31 41
Gender	Male
Affiliation	Chu Chen’s ally; defender of the Heaven Dou Empire 174 213
Occupation/Role	Poison specialist, Spirit Master, and later Grand Elder 32 215
Cultivation	Level 99 Peerless Douluo 213
Martial Soul	Jade Phosphorous Serpent Emperor → Flood Dragon form → Jade Phosphorous Dragon Emperor 177 213
Status	Alive; participates in the battle at Jialing Pass 220 221
First Appearance	Chapter 31

Power Progression

Stage / Realm / Level	Chapter	Notes
Level 91 Title Douluo	213	Retrospectively identified by Bibi Dong as his cultivation level a few years earlier.
Inherited poison brought under control	37 40	Chu Chen uses two compatible immortal herbs and life energy to channel his poison into his Spirit Bone. His poison techniques, Spirit Bone, and cultivation improve; his appearance becomes markedly younger.
Level 93; 100,000-year Medusa Skull Bone	70 71	Confirmed before his rematch with Yue Guan. The evolved skull bone grants Despair Domain and strengthens Medusa’s Gaze.
Level 95	76	His rapid improvement under Chu Chen’s guidance gives him confidence in facing Yue Guan again.
Level 96	119	Confirmed during his fight with Gu Rong, whose cultivation he has surpassed. He remains at this level when discussing further advancement with Chu Chen 142.
Peak Level 98; Flood Dragon evolution	177	Absorbs a 100,000-year Medusa Torso Spirit Bone that resonates with his skull bone. His Martial Soul develops dragonlike claws and Dragon Might, establishing the foundation for Level 99.
Level 99 Peerless Douluo; Jade Phosphorous Dragon Emperor	213	Becomes the era’s third living Peerless Douluo, alongside Qian Daoliu and Bibi Dong. His Martial Soul completes its dragon transformation, while resonance between his Medusa bones upgrades his ninth Spirit Ring from black to red, reaching 100,000 years.

Background / History

Dugu Bo obtained his Medusa Skull Bone through a fortunate encounter in his youth and later researched Medusa Spirit Beasts extensively. His feud with Yue Guan also dates back to their younger years; Yue Guan and Gui Mei once hunted him together 70 72 176.

Despite his reputation as the Poison Douluo, Dugu Bo suffered from the inherited poison associated with his own Martial Soul. By the time he met Chu Chen, it had penetrated his bone marrow and caused agonizing outbreaks. His granddaughter, Dugu Yan, inherited the same condition, though hers was still in its incubation period 32 33.

He possessed a herb garden surrounding the Ice and Fire Yin Yang Well in Sunset Forest, protected by a lethal poison formation. Although he recognized the plants as extraordinary, he did not know the specific uses of most of them 36 37.

Appearance

• Initial appearance: An elderly man with graying hair, emerald-green eyes, and a cold, snake-like gaze. His imposing aura makes those around him feel a chill 31.
• After treatment: His hair turns ink-green, and he appears roughly twenty years younger after his internal poison is controlled 40.
• Martial Soul manifestations: Initially a massive Jade Phosphorous Serpent Emperor; it later gains dragonlike claws before fully transforming into the Jade Phosphorous Dragon Emperor 177 213.

Personality

Dugu Bo is eccentric, threatening, and intensely proud of his poison expertise. He initially refuses to believe that a junior with an apparently ordinary Blue Silver Grass Martial Soul could neutralize his poison, treating the possibility as an affront to his title 31 32.

His affection for Dugu Yan exposes a much softer side. During her treatment, panic nearly drives him to interrupt Chu Chen and endanger her life. Once she is safe, he apologizes, embraces Chu Chen, and declares him his brother. He later tells Chu Chen that he will not blame him even if his own condition cannot be cured 33 36.

With Chu Chen, his hostility gives way to teasing, gratitude, and fierce loyalty. He explicitly says that he has never treated Chu Chen as a junior, refuses Qian Daoliu’s invitation to join the Worship Hall because he has chosen to remain by Chu Chen’s side, and complains when Chu Chen undertakes dangerous work without him 70 142 174.

He is also observant and cautious. He recognizes Snake Lance Douluo during the Holy Flame Mane Lion hunt but does not expose the group’s concealed connections. He repeatedly warns Chu Chen about royal politics, Xue Qinghe, and the dangers of attracting Martial Soul Hall’s attention 41 48 60 86.

Abilities & Skills

Jade Phosphorous Poison

Dugu Bo’s Jade Phosphorous Serpent Emperor produces poison far stronger than Dugu Yan’s. His mastery places him among the continent’s foremost poison specialists 32.

• Spreads toxic clouds across a battlefield and directs concentrated poison at opponents 71.
• After treatment, his venom can corrode Yue Guan’s supposedly indestructible Singular Velvet Sky Chrysanthemum attacks 71.
• Penetrates wounds to rot flesh and attack the heart meridian, as demonstrated against the Clear Sky Sect’s Second Elder 154.
• In his dragon form, releases an extremely poisonous breath whose surrounding aura kills nearby enemy soldiers upon inhalation 219.
• Limit: Chu Chen purifies a small test portion with concentrated life energy; this does not establish that the early Chu Chen could withstand Dugu Bo’s full poison output 32.
• Personal risk: His own inherited poison originally damaged his body. Chu Chen later treats another poison crisis following the Clear Sky Sect battle 33 155.

Despair Domain

A domain ability acquired when his Medusa Skull Bone evolves to the 100,000-year level 71.

• Activates instantly across the battlefield.
• Saturates the area and air with dense poison.
• Binds Yue Guan long enough for Chu Chen’s concealed support to help create an opening 71.

Medusa’s Gaze

An original ability of the Medusa Skull Bone, strengthened by its evolution 71.

• Fires a beam of energy at the target.
• Forces Yue Guan to defend with his Martial Soul and blasts him into the ground, drawing blood 71.

Martial Soul Avatar and Close Combat

Dugu Bo combines his Martial Soul’s agility, physical strikes, and poisonous energy rather than relying solely on distant attacks 71 73.

• Uses the Serpent Emperor’s natural agility to evade Tang Hao’s hammer strikes while releasing toxins 73.
• Delivers Spirit Power-enhanced punches and coordinates them with energy beams from his Martial Soul 71.
• Uses his seventh Spirit Ability, Martial Soul Avatar, to attack Jialing Pass with a massive surge of poison energy 219.

Poison Formations and Beast Identification

• Maintains a poison formation around his herb garden that is fatal to ordinary intruders and can be dispersed at his command 36.
• Identifies a 100,000-year Medusa from its ink-dark green mucus, drawing on his research into the rare species 176.

Peerless Douluo Power

At Level 99, Dugu Bo can command the energy of heaven and earth with his movements. His evolved Martial Soul’s aura spreads across the Heaven Dou Empire and can be sensed thousands of miles away 213.

• Holds back Spirit Kite Douluo and Ghost Leopard Douluo during the Jialing Pass offensive 219.
• Defeats Spirit Kite Douluo and enters the pass 220.
• Limit: He has no Soul Core; his advancement follows the era’s existing cultivation methods rather than Chu Chen’s developing Soul Core path 213.
• Breakthrough vulnerability: Bibi Dong attempts to kill him before his newly attained Level 99 cultivation stabilizes, prompting Di Tian’s intervention 213.

Equipment / Weapons / Items

• Medusa Skull Bone — Obtained in his youth and later evolved to 100,000 years. Provides Medusa’s Gaze and Despair Domain 70 71 176.
• 100,000-year Medusa Torso Spirit Bone — Given to him by Chu Chen after the Medusa hunt. Its resonance with his skull bone supports his advancement and later upgrades his ninth Spirit Ring 177 213.
• Clear Sky Sect inheritance Spirit Bones — His possession of Tang Hao’s inherited bones makes him a target of Tang Xiao and the sect’s elders 150 156.
• Complete Spirit Bone set — By his Level 99 breakthrough, Chu Chen’s assistance has enabled him to assemble a full set, substantially improving his cultivation potential 213.
• Ruyi Hundred Treasure Pouch — A storage item capable of holding living things and medicinal herbs; he gives it to Chu Chen 40.
• Ice and Fire Yin Yang Well herb garden — A protected source of immortal herbs used in his treatment and his allies’ cultivation 36 37 48.

Relationships

• Dugu Yan — His granddaughter and foremost personal concern. He seeks treatment for her inherited poison and later draws the Clear Sky Sect’s pursuers away to protect her 32 33 150.
• Chu Chen — His sworn brother, healer, and principal ally. Chu Chen controls his poison, helps develop his Spirit Bones, and rescues him from the Clear Sky Sect; Dugu Bo repeatedly credits his strength to Chu Chen 33 119 151 177.
• Yue Guan — Longstanding enemy. Dugu Bo defeats him with Chu Chen’s concealed assistance after years of hostility 70 71 72.
• Gui Mei — Yue Guan’s partner and a former pursuer of Dugu Bo. Dugu Bo later assists Chu Chen in ambushing and killing him 72 87.
• Snake Lance Douluo and Pufferfish Douluo — Combat allies during the Holy Flame Mane Lion hunt, Xiong Jun’s attack, and the rescue from the Clear Sky Sect 60 61 150 151.
• Qian Renxue — An ally connected through Chu Chen. Her subordinates help rescue him, and he later relays Chu Chen’s message to her 150 144.
• Di Tian — Saves him from Bibi Dong immediately after his Level 99 breakthrough. Dugu Bo expresses gratitude, while Di Tian explains his allegiance to Chu Chen 213.
• Tang Xiao and the Clear Sky Sect — Pursue him to recover their inheritance Spirit Bones and nearly kill him 150 151 152.
• Bibi Dong — Wartime enemy who attempts to exploit his unstable breakthrough state. He later fights her forces at Jialing Pass 213 219.
• Qian Daoliu — Offers him an enshrined elder position in the Worship Hall; Dugu Bo declines in favor of staying with Chu Chen 174.
• Yu Yuanzhen — Fellow combatant in the offensive against the Martial Soul Empire’s Title Douluo 219.

Story Role / Major Arcs

Meeting Chu Chen and Controlling the Inherited Poison

After Dugu Yan reports Chu Chen’s immunity to her venom, Dugu Bo takes him away from the academy to test him personally. Chu Chen purifies his test poison and identifies the inherited poisoning affecting both grandfather and granddaughter. Dugu Bo accompanies the team to Suotuo City, where Dugu Yan’s successful treatment turns their tense arrangement into brotherhood 31 32 33.

He then brings Chu Chen to the Ice and Fire Yin Yang Well for his own treatment. Two compatible immortal herbs and Chu Chen’s life energy bring his poison under control. While there, he also witnesses Chu Chen’s second Martial Soul and subsequent transformation 36 37 39 40.

Protecting Chu Chen and Obtaining Spirit Rings

Dugu Bo intervenes when Blazing Academy’s Elder Huo threatens to cripple Chu Chen’s Martial Soul, crushing the attackers under his pressure. A subsequent investigation into the group’s disappearance finds clues pointing toward him but yields no concrete evidence 44 46.

He helps Chu Chen target Xiao Wu, agreeing to stall Tang Hao and demanding that Shrek Academy surrender the 100,000-year Spirit Beast. After Xiao Wu’s death, he accompanies Chu Chen back to the well to absorb her ring 52 53 55.

During a later Star Dou Forest expedition, he joins Snake Lance and Pufferfish Douluos against the Holy Flame Mane Lion. Xiong Jun then severely wounds all three. Dugu Bo urges Chu Chen to escape with Dugu Yan and Ye Lingling, but Chu Chen stays to heal and protect them 60 61.

Retaliation Against Yue Guan and Gui Mei

Dugu Bo seeks Chu Chen’s advice for a rematch with Yue Guan. With his upgraded poison, evolved skull bone, and Chu Chen’s hidden domain support, he wins, although Yue Guan escapes 70 71 72.

The pair later exploit Martial Soul Hall’s attack on the Shrek convoy to ambush Gui Mei. Chu Chen kills him with the Golden Dragon Spear, with Dugu Bo assisting 86 87.

Sect Conflicts and the Clear Sky Pursuit

Dugu Bo supports Chu Chen’s retaliation against the Seven Treasure Glazed Tile Sect, battling Gu Rong and rejecting his demand to abandon Chu Chen. The pair subsequently annihilate the sect 119 121.

His possession of Clear Sky Sect inheritance bones brings four Title Douluo after him. He leads them away from Heaven Dou City to protect Dugu Yan and the academy, but is gravely wounded. Chu Chen, Snake Lance, and Pufferfish arrive to save him; Dugu Bo later poisons the wounded Second Elder before the remaining pursuers retreat 150 151 152 154.

Afterward, he accompanies Chu Chen in the offensive against the Clear Sky Sect and declines Qian Daoliu’s recruitment offer 171 174.

Dragon Evolution and the Continental War

A Medusa hunt supplies Dugu Yan with a 100,000-year ring and Dugu Bo with the torso bone that raises him to peak Level 98. His Serpent Emperor begins evolving into a Flood Dragon 176 177.

While Chu Chen is away, Dugu Bo helps prevent the Martial Soul Empire from conquering Heaven Dou. His eventual Level 99 breakthrough completes his dragon transformation, but Bibi Dong attempts to kill him before he stabilizes. Di Tian repels her, and Dugu Bo later enters seclusion as a Grand Elder to consolidate his cultivation 213 215.

At Jialing Pass, he fights alongside Chu Chen and Yu Yuanzhen, restrains enemy Title Douluo, attacks the fortifications, and defeats Spirit Kite Douluo 219 220.

Notable Quotes

“Damn it, is that the kind of image I have in your mind? I, Dugu Bo, keep my word. From today on, you are my brother.” 33

“The strength I possess today was all gained because of him. Old Bone... who do you think I would help?” 119

“Thank you for the Great Enshrined Elder's kind offer, but this old man has already decided to stay by this brat's side.” 174

Trivia

• His brotherhood with Chu Chen creates a seniority problem for Dugu Yan: her teammate is now her grandfather’s brother 41.
• He owns an exceptional medicinal garden but admits that he does not know most of its herbs’ uses; on returning later, he mistakes rare growth for “weeds” 37 174 175.
• Dugu Yan jokingly complains that he seems happier to see Chu Chen than his own granddaughter. His reply—that he wishes he had a grandson like Chu Chen—earns an immediate protest from his sworn brother 46.