Yu Xiaogang

Biodata

Feature	Information
Name	Yu Xiaogang (玉小刚)
Alias(es)	Grandmaster; Master
Gender	Male
Affiliation	Shrek Academy; Blue Lightning Tyrant Dragon Clan; later a teacher in Fallen Phoenix Town
Occupation/Role	Soul master theorist; teacher
Martial Soul	Luo San Pao
First Appearance	19

Power Progression

Stage / Realm / Level	Chapter	Notes
Level 29 Soul Grand Master	24	His soul power is unable to advance beyond rank 29, a limitation central to his insecurity over his authority as a theorist.
Level 21 Soul Grand Master	112	Awakens after Man Faced Demon Spider venom is removed and discovers his spirit power has regressed; he suspects Tang San's Eight Spider Lances absorbed part of it.
Level 20 Soul Grand Master	113 176	His power falls another level; he fears that recovering his former cultivation at his age may take years.
Level 19 Soul Grand Master	287	Tang San drains his soul power following their confrontation in Fallen Phoenix Town.

Background / History

Yu Xiaogang is the son of Yu Yuanzhen, leader of the Blue Lightning Tyrant Dragon Clan, and Yu Tianheng's uncle. Having been dismissed since childhood because of his cultivation limitations, he devoted himself to martial-soul theory in order to prove his worth through knowledge rather than personal strength. 20 23

He left the Blue Lightning Tyrant Dragon Clan and refused Yu Tianheng's request to return until he could prove himself. His stated ambition was to make his disciple Tang San the continent's strongest soul master and the living proof of his theories. 20

Yu Xiaogang later became involved with Liu Erlong and Flender, forming a close trio. His past relationship with Bibidong, and the controversy surrounding his relationship with Liu Erlong, remained sources of shame, resentment, and conflict. 138 142 150

Appearance

Yu Xiaogang is a middle-aged man recognizable by his distinctive grooming and subdued presence.

• Crew cut and thick beard. 19
• His appearance is associated with the well-known incantation used to summon Luo San Pao. 19
• In later years, Tang San notes that he has gained wrinkles and gray hair. 286

Personality

Yu Xiaogang is proud, highly defensive of his theories, and deeply sensitive about his low cultivation. He can regain an outwardly calm manner after losing composure, but challenges to his expertise repeatedly provoke anger, humiliation, or despair. 23 24 169

He is also devoted to Tang San, initially viewing him as both his direct disciple and the proof that would vindicate his life’s work. Even after their relationship deteriorates, Yu Xiaogang continues to interpret Tang San’s success as connected to his own teaching. 20 202 391

His pride often prevents him from accepting help or confronting uncomfortable truths. Flender’s criticism eventually pushes him to seek assistance from his father and reconsider his estrangement from the clan. 147

Abilities & Skills

Martial Soul Theory

Yu Xiaogang possesses extensive theoretical knowledge of martial souls, spirit beasts, spirit rings, toxins, and cultivation.

• Developed and teaches the Ten Core Competencies of Martial Soul. 23 112
• Planned Tang San’s early Blue Silver Grass spirit-ring path, emphasizing toughness and toxicity. 5
• Recognizes that mutations related to physical constitution may allow a soul master to exceed standard spirit-ring absorption limits. 23
• Understands the risks of cultivating Twin Martial Souls, including the danger of attaching rings to the second martial soul without a suitable method. 189
• His theories are repeatedly challenged by Li Xun’s unconventional ring choices and Tang San’s later development. 24 169 286

Luo San Pao

Yu Xiaogang’s Martial Soul is Luo San Pao, summoned through a famous incantation.

• Summoning incantation: “Fart like thunder, rend the sky and split the earth, Luo San Pao.” 19
• Has two yellow spirit rings when displayed to Spirit Hall guards. 176
• His low spirit power prevents him from effectively asserting the status implied by his Pope Decree. 176 177

Martial Soul Fusion Skill

Yu Xiaogang can combine his power with Flender and Liu Erlong.

• Joins Flender and Liu Erlong to create a golden dragon through a Martial Soul Fusion Skill. 136
• The trio uses the fusion to confront Poison Douluo. 136

Relationships

• Tang San — Direct disciple and the person Yu Xiaogang initially sees as the masterpiece that will prove his theories. Their bond fractures after Tang San questions his teachings, defeats him, and drains his soul power. 20 169 286 287 392
• Yu Yuanzhen — Father and Blue Lightning Tyrant Dragon Clan leader. Their relationship is strained by Yu Xiaogang’s pride and past choices, but Yu Yuanzhen still protects and assists him. 150 220
• Yu Tianheng — Nephew. Yu Tianheng remains affectionate toward Yu Xiaogang and repeatedly tries to reconnect him with the clan. 20 147
• Liu Erlong — Former lover and close ally. Their relationship is burdened by family ties, Yu Xiaogang’s past with Bibidong, and recurring disputes over pride and responsibility. 112 139 150
• Flender — Longtime friend and member of the fusion-skill trio. Flender openly confronts Yu Xiaogang’s stubbornness and urges him to let go of the past. 136 147
• Bibidong — Former lover and Pope of Spirit Hall. Their unresolved past continues to shape Yu Xiaogang’s decisions; he seeks her aid despite the danger and humiliation involved. 142 215 216
• Li Xun — Ideological opponent whose thousand-year ring absorption and cultivation choices challenge Yu Xiaogang’s theories. 23 24 169

Story Role / Major Arcs

Tang San’s Early Mentor

Yu Xiaogang guides Tang San during his early cultivation and accompanies him to obtain his second spirit ring. Tang San’s successful absorption of a six-hundred-year Ghost Vine ring reinforces Yu Xiaogang’s confidence in his research. 19 20

Dispute with Li Xun

Li Xun’s thousand-year Lone Bamboo ring absorption directly contradicts Yu Xiaogang’s expectations. Yu Xiaogang attempts to recruit and correct Li Xun, but their disagreement exposes the limits of his confidence in his own framework. 23 24

Cultivation Regression

After being poisoned by a Man Faced Demon Spider, Yu Xiaogang’s soul power regresses from rank 29 to rank 20. He suspects Tang San’s devouring ability is responsible for part of the loss and is devastated by the prospect of recovering at his age. 112 113

Conflict with the Seven Treasure Glazed Tile Sect and Spirit Hall

Yu Xiaogang, Flender, and Liu Erlong are captured after confronting powerful opponents. Spirit Hall later demands compensation for his release, prompting him to surrender his Pope Decree as collateral. 136 142 156

Reconciliation with the Blue Lightning Tyrant Dragon Clan

Following pressure from Flender and the Shrek students, Yu Xiaogang contacts Yu Yuanzhen and accepts his father’s assistance. He also defends Tang San and Xiao Wu when Yu Yuanzhen considers taking Xiao Wu for the clan’s benefit. 147 152 153

Breakdown of the Master–Disciple Relationship

The Shrek team’s defeat by Li Xun causes Tang San to doubt the spirit-ring path Yu Xiaogang designed for him. Yu Xiaogang responds defensively, and their disputes intensify as Tang San shifts focus to the Clear Sky Hammer. 169 172 189 202

Meeting with Bibidong and Flight from Spirit Hall City

Yu Xiaogang meets Bibidong in Spirit Hall City, hoping to protect Tang San and regain influence. Their conversation ends bitterly when Bibidong refuses his demands; he later attempts to flee the city, is captured by Heaven Dou Royal Knights, and is rescued by Yu Yuanzhen. 215 216 219 220

Fallen Phoenix Town

After the destruction of his clan, Yu Xiaogang becomes a teacher in Fallen Phoenix Town. Ridiculed by colleagues for his recommendations, he turns his attention toward researching Li Xun’s ring system and martial-soul mutation as part of a plan for revenge. 276 277

Tang San later confronts him there, rejects his old teachings, defeats him without using soul power or spirit rings, and ultimately drains him to rank 19. 286 287

Trivia

• Yu Xiaogang’s title “Grandmaster” is frequently tied to his self-esteem; being asked whether it is merely a title deeply affects him. 147
• He considers Tang San’s success the primary means by which he can prove he is not “a useless man who only spouts empty theories.” 20
• The Rakshasa God notices Yu Xiaogang because of his connections to both Tang San and Bibidong. 276