Biodata

Feature Value
Name Yu Xiaogang (玉小刚)
Alias(es) Grandmaster; Elder Yu 4 113
Gender Male
Affiliation Blue Lightning Tyrant Dragon Clan (formerly; expelled); Nuoding Academy (former teacher); Shrek Academy (former teacher); Spirit Hall 7 40 46 85
Occupation/Role Martial Soul theorist, instructor, and Spirit Hall tournament team elder 85 111
Cultivation Rank 29 Soul Grandmaster; remains at this rank after becoming Spirit Hall’s team elder 4 85 106
Martial Soul A dragon-mutated Martial Soul associated with flatulence-based abilities 4 5 33
Status Alive; Spirit Hall honorary elder, with formal recognition dependent on winning the tournament 107 113
First Appearance Chapter 1

Background / History

Yu Xiaogang formerly belonged to the Blue Lightning Tyrant Dragon Clan but was expelled. He was also expelled from Spirit Hall before eventually returning to the organization. The supplied passages do not establish the circumstances of either expulsion 46 85.

Before arriving at Shrek Academy, he taught at Nuoding Academy for years and personally instructed Tang San and Xiao Wu. He regarded that experience as proof that he was better qualified to teach than anyone at Shrek 7.

His friendship with Flender was forged through life-and-death experiences. They were also romantic rivals connected to Liu Erlong, who continued waiting for Yu Xiaogang at Blue Tyrant Academy and sang a song he had written for her 7 39 66.

Personality

Yu Xiaogang is authoritarian and highly protective of his reputation as Grandmaster. On arriving at Shrek, he deliberately seeks a troublesome student to make an example of, only to choose Lu Ning—the academy’s strongest young talent. When challenged, he threatens dissatisfied students with withdrawal rather than accepting their criticism 1 5.

He treats Tang San’s achievements as validation of his own theories and strongly favors him. Zhao Wuji states that ninety percent of Yu Xiaogang’s spending went toward Tang San and Xiao Wu, while other students received little preferential treatment 27 28.

His hostility toward Lu Ning persists even after he acknowledges Lu Ning’s superior strength. He shifts the dispute from combat to teaching, later suspects Zhu Zhuqing of fallen cultivation, and ultimately blames Lu Ning for destroying his opportunity to restore his reputation through Tang San 7 30 32 101.

Despite his pride, he can recognize overwhelming danger. He negotiates restrictions on Lu Ning before the Imperial Fighting Team’s match and later insists that Spirit Hall’s only chance is to eliminate Lu Ning immediately through a coordinated surprise attack 40 41 106.

Abilities & Skills

Martial Soul Research

Yu Xiaogang possesses knowledge beyond that of an ordinary Soul Master at his rank. However, the narration states that his theories were taken from others and presented under his own name 111.

  • Soul Ring limits: His theory holds that a Thousand-Year Soul Ring cannot safely be absorbed before the third ring. Lu Ning’s three purple rings directly challenge that assumption 6.
  • Twin Martial Soul development: He advocates delaying the addition of rings to a second Martial Soul until reaching Titled Douluo, maximizing its eventual ring configuration 6.
  • System matchups: He uses Tang San’s victory over Dai Mubai to argue that Control System Soul Masters naturally counter Power Attack System opponents and can overcome higher Soul Power 4.
  • Limits of interpretation: He incorrectly assumes that Lu Ning added the sword’s rings after reaching Soul Elder and cannot explain the Wine Gourd’s purple, purple, black configuration 6 7.

Teaching and Conditioning

His instruction combines supervised combat, increased training loads, and resource-intensive conditioning 4 16 28.

  • Combat assessment: He arranges a duel between Tang San and Dai Mubai to identify their weaknesses and demonstrate Tang San’s effectiveness 4.
  • Medicinal baths: His baths contribute to Tang San’s rise to rank 32, alongside energy remaining in the Eight Spider Lances. Their expense also helps exhaust Shrek’s funds within a month 28 30.
  • Spirit Hall experiments: According to Xue Qinghe’s information, his work with Training Camp orphans produces one or two exceptional talents but considerably increases the death rate 85.
  • Misty Canyon training: Yan describes him as making the dangerous canyon part of daily training and reports frequent deaths among the trainees 106.

Battle Tactics and Team Selection

Yu Xiaogang emphasizes target priority, numerical advantage, and preserving decisive techniques for the most important match 41 109.

  • Against Shrek: He proposes eliminating the weaker teammates—particularly support-type Soul Masters—before concentrating the team against Lu Ning 41.
  • Against Lu Ning: He directs Xie Yue and Hu Liena to use their Martial Soul Fusion Skill to force Lu Ning out of the arena immediately, with Xie Yue’s Full Moon technique as a key weapon 106.
  • Tournament management: He withdraws Spirit Hall from the individual matches to preserve its secret techniques and fusion skill for the final team battle 109.
  • Roster construction: He selects a team containing three Soul Kings and high-level Soul Ancestors with carefully chosen Martial Souls. Even Bibi Dong finds no flaw in its composition 111.
  • Practical limit: The plan against Lu Ning becomes irrelevant when he reveals Soul Saint cultivation and two Hundred Thousand Year Soul Rings; Xie Yue immediately surrenders 112.

Personal Cultivation

  • Rank 29 ceiling: His low Soul Power prevents him from securing a teaching position at Heaven Dou Royal Academy 45.
  • Martial Soul limitation: His dragon-mutated Martial Soul is repeatedly mocked for its flatulence-based abilities; the supplied passages show no personal combat victory 4 5 33.

Equipment / Items

  • Spirit Hall Elder Token — An old token granting authority high enough that even a Platinum Bishop must defer to its holder. Although Yu Xiaogang is not listed on the elder roster, the Papal Deacon recognizes the token as sufficient grounds to treat him as an elder 85.
    • Lu Ning privately attributes the token to Tang Hao, but this remains his inference in the supplied passage 85.

Relationships

  • Tang San — His prized disciple and principal means of proving his theories. Tang San defends him against classmates and requests harsher training to vindicate him, but Tang Hao later takes over his instruction 5 16 17 45.
  • Lu Ning — His central rival. An attempted expulsion develops into disputes over cultivation, combat ability, teaching, and a public wager 1 6 7 85 113.
  • Flender — His longtime friend and romantic rival. Flender initially grants him control of teaching, later refuses to keep absorbing the consequences of his spending, but will not permit anyone at Shrek to kill him 5 7 28 39.
  • Xiao Wu — A former student who receives substantial attention and resources alongside Tang San. She leaves Shrek with them before Tang Hao intervenes 7 27 40 45.
  • Dai Mubai — A student who openly rejects his authority and challenges the originality of his theories. Their conflict contributes to Dai Mubai withholding financial support from Shrek 5 28.
  • Zhu Zhuqing — Lu Ning’s student, whose rapid advancement he interprets as evidence of fallen cultivation. Her Soul Bone explanation defeats his accusation 30 32 33.
  • Liu Erlong — A woman with whom he shares a close romantic bond. She maintains Blue Tyrant Academy while waiting for his return and initially refuses house arrest because it would prevent their reunion 66.
  • Yu Tianheng — His nephew. Yu Tianheng addresses him as “Uncle” and receives his tactical guidance before facing Shrek 41.
  • Bibi Dong — Supports his recognition within Spirit Hall and his appointment as team elder. She later offers to judge his agreement with Lu Ning while leaving room to annul it if coercion can be established 85 113.
  • Tang Hao — Initially approves of Tang San studying under him, then concludes that he overestimated Yu Xiaogang and ends the arrangement 45.
  • Xie Yue and Yan — Spirit Hall competitors who question his cautious tournament decisions. Yan also fears and resents his lethal training methods 106 109.

Story Role / Major Arcs

Attempted Expulsion at Shrek

  • Yu Xiaogang arrives after Tang San’s enrollment and immediately demands Lu Ning’s expulsion for drinking. Flender explains that drinking is tied to Lu Ning’s Martial Soul and has not interfered with his studies or cultivation 1.
  • With little support for the expulsion, he bars Lu Ning from his classes and sets a one-year challenge: if Tang San surpasses Lu Ning in actual life-and-death combat, Lu Ning must leave Shrek 1.
  • He subsequently tries to drive Lu Ning away from a village drainage ditch despite Lu Ning standing roughly thirty meters from the lesson and merely disposing of wine 3 4.
  • After using Tang San’s victory over Dai Mubai to disparage Soul Masters with high Soul Power but poor combat awareness, he faces open resistance from Ma Hongjun and Dai Mubai 4 5.

Defeat of His Disciple and the Teaching Challenge

  • He approves a duel between Tang San and Lu Ning, again making Lu Ning’s continued enrollment the stake 5.
  • Lu Ning’s three Thousand-Year sword rings shock him. When Tang San is overwhelmed, Yu Xiaogang tells him to use hidden weapons, only for Lu Ning to reveal the Wine Gourd’s even stronger ring configuration 5 6.
  • He admits Lu Ning’s strength but insists that personal strength does not invalidate his teaching methods 7.
  • He proposes a separate one-year teaching contest, judged by Soul Power, actual combat, and improvement—including ring colors and Soul Bones. Lu Ning initially refuses, while Flender privately tries to persuade him to accept 7.

Shrek’s Financial Crisis

  • Yu Xiaogang proposes financing Shrek through Tang San’s victories and betting at the Soto Great Soul Arena, confidently declaring that no Soul Elder in the city can defeat his disciple 23.
  • Tang San’s winnings initially bring in several hundred Gold Soul Coins, but the money is immediately needed for overdue supplies. Yu Xiaogang’s attempt to reclaim betting capital exposes how precarious the academy’s finances remain 26 27.
  • The teachers blame his lavish medicinal baths and favoritism for exhausting the budget. He accepts responsibility for earning the money back, then concentrates on taking Tang San and Xiao Wu to the arena rather than teaching the remaining students 28.

Accusation Against Zhu Zhuqing

  • After Zhu Zhuqing defeats Tang San, Yu Xiaogang summons the academy at night and questions how she advanced from rank 27 to rank 30 in twenty days 31 32.
  • He suggests that she has become a Fallen Soul Master and threatens to take her to Spirit City. When challenged, he attempts to leave and involve Spirit Hall 30 32 33.
  • Zhu Zhuqing explains that absorbing a Soul Bone caused her advancement. Unable to sustain the accusation, Yu Xiaogang collapses in anger and is carried away by Tang San 33.
  • After recovering, he avoids approaching Lu Ning and limits his instruction to Tang San and Xiao Wu 38.

Departure and Rejection by Heaven Dou

  • Yu Xiaogang leaves Shrek with Tang San and Xiao Wu, intending to join Heaven Dou Royal Academy 39 40.
  • Before the arena team match, he helps arrange the Imperial Fighting Team’s tactics and negotiates a restriction on Lu Ning’s Martial Soul use 40 41.
  • Qin Ming cannot secure him a teaching post because his cultivation is too low. Shrek’s teachers refuse to join Heaven Dou merely to make his admission possible 44 45.
  • Tang Hao takes Tang San away and ends Yu Xiaogang’s instruction. Qin Ming informs him that Tang San and Xiao Wu have already been collected, leaving him without either the position or his students 45.

Spirit Hall Team Elder

  • Yu Xiaogang returns to Spirit Hall with an Elder Token. His Training Camp results, the Papal Deacon’s nomination, and endorsements from several Titled Douluos secure his appointment as tournament team elder 85.
  • His position remains honorary: winning the overall championship is the condition for entering Spirit Hall’s official elder records and obtaining genuine authority 85 107.
  • He prepares the Golden Generation to eliminate Lu Ning first and withdraws from the individual competition to preserve their strongest techniques 106 109.
  • Lu Ning’s Soul Saint revelation ends those plans before combat begins. Xie Yue forfeits the final match 112.

The Outstanding Wager

  • By the tournament, the agreement is described as having a three-year deadline, with a penalty requiring Yu Xiaogang to run three laps naked around the championship venue while wearing underwear over his head 85.
  • After Spirit Hall’s surrender, Lu Ning demands that he honor the promise. Bibi Dong offers to judge the agreement and potentially annul it if it was coerced 113.
  • The supplied passages do not show the penalty being carried out. The earlier one-year challenges and the later three-year agreement are not fully reconciled in the available text 1 7 85 113.

Notable Quotes

“A Soul Master with nothing but a high Soul Power Level and no combat awareness is nothing but trash!” 4

“But your strength. Doesn’t mean my teaching methods are wrong.” 7

“To capture the bandits, capture their king first!” 106

Appearances

320
Total Mentions
47
Chapters Appeared
6.81
Avg. per Chapter