Biodata

Feature Details
Name Yu Xiaogang (玉小刚)
Alias(es) Grandmaster; Master
Gender Male; temporarily loses his masculinity after consuming the Seven Absolutes Sun Severing Flower, is later restored, and is subsequently castrated by Bibi Dong 159 356 359
Affiliation Blue Lightning Tyrant Dragon Clan; Spirit Hall (formerly); Shrek Academy
Occupation/Role Martial Soul theorist; Tang San's teacher
Martial Soul Luo Sanpao; later becomes the Blue Lightning Tyrant Dragon
First Appearance Chapter 110

Power Progression

Stage / Realm / Level Chapter Notes
Rank 30 / Soul Elder 158 Reaches Rank 30 after consuming the Seven Absolutes Sun Severing Flower.
Blue Lightning Tyrant Dragon Martial Soul 160 Luo Sanpao transforms into a Blue Lightning Tyrant Dragon after the herb’s effects. The change purifies away its Golden Sacred Dragon origin rather than advancing it toward the Golden Sacred Dragon Yu Xiaogang sought.
Three Soul Rings 255 Displays two yellow rings and one purple ring during the Blue Lightning Tyrant Dragon Clan’s public ceremony.

Background

Yu Xiaogang is the younger son of Yu Yuanzhen, the patriarch of the Blue Lightning Tyrant Dragon Clan. His inherited martial soul underwent an extreme regression into Luo Sanpao, leaving him dismissed as useless within the clan from childhood. His resentment toward the clan’s contempt became the central motive behind his desire to evolve Luo Sanpao and return in triumph. 227 251 252

Luo Sanpao was a rare materialized martial soul with its own body, intelligence, and ability to eat. Yu Xiaogang fed it white radishes to strengthen its first and second soul skills, but its lightning-attributed soul rings and repeated use of its excretory skills left it prone to indigestion and incompatible with Light Attribute dragon flesh. 116 117

He became Tang San’s teacher at Nuoding Academy. When Bibi Dong reappeared and offered to evolve Luo Sanpao, Yu Xiaogang agreed to go to Spirit City only after arranging for Tang San to accompany him, presenting himself as a teacher who would not abandon his disciple. 110 112

Appearance

Following the Seven Absolutes Sun Severing Flower incident, Yu Xiaogang’s body becomes noticeably more feminine in appearance. He later manifests the Blue Lightning Tyrant Dragon through Martial Soul Possession.

  • Fair, delicate skin and a soft, shrill voice after the herb’s side effects emerge 119 209
  • Loses facial stubble and attempts to conceal the changes by tanning his skin and roughening his voice 119
  • Loses one arm during the confrontation with Gu Han 234
  • During Blue Lightning Tyrant Dragon Possession, grows taller and more muscular as lightning covers his body 160
  • His dragonified right arm is absent because it had already been severed 255

Personality

Yu Xiaogang is intensely obsessed with proving that he is not the clan failure others believed him to be. His ambition centers on evolving Luo Sanpao into the Golden Sacred Dragon, becoming recognized as a genuine Martial Soul Theory Master, and forcing the Blue Lightning Tyrant Dragon Clan to acknowledge him. He repeatedly endures humiliation, dangerous treatments, and physical pain in pursuit of that validation. 116 142 152

He maintains a composed, scholarly “Grandmaster” persona, often speaking with deliberate restraint and presenting himself as unfairly underestimated. Privately, however, he doubts his own ability to solve problems such as the Seven-in-One Fusion Skill, while refusing to admit those limitations to Liu Erlong. 227 291

His later actions reveal a calculating and self-serving side. He exposes Tang San’s Twin Martial Souls and parentage to Meng Shu in an attempt to obtain support against Gu Han, and Bibi Dong later reveals that he tried to kill her in exchange for restoration of his masculinity. 227 228 358

Abilities & Skills

Luo Sanpao

Yu Xiaogang’s original materialized martial soul resembles a pale-purple, furred piglet with a white belly, fan-like ears, round eyes, and a dog-like nose. It possesses intelligence and can consume food directly. 116

  • Can consume dragon flesh and medicinal materials, then feed a small amount of life force and Soul Power back to Yu Xiaogang. 116
  • Its Lightning Attribute soul rings conflict with Light Attribute dragon flesh, preventing sustained absorption and causing severe indigestion. 117 142
  • Its prolonged white-radish diet and excretory soul skills leave it prone to violently expelling undigested material. 117

Farting Like Thunder, Sky-Shattering Earth-Rending Luo Sanpao

Yu Xiaogang’s First Soul Skill produces a violent blast of compressed gas mixed with lightning and foul-smelling waste.

  • Originally activated through Luo Sanpao. 116 117
  • After Luo Sanpao becomes the Blue Lightning Tyrant Dragon, Yu Xiaogang must activate the skill himself while in Martial Soul Possession. 160
  • Creates explosive force capable of wrecking vegetation and splattering a wide area with foul green waste. 160 211
  • Its use publicly humiliates him at the Blue Lightning Tyrant Dragon Clan’s ceremony and makes him infamous in Heaven Dou. 256 259

Farting Like Smoke, Hypnotic Slumber Luo Sanpao

Yu Xiaogang’s Second Soul Skill emits a foul mist with a sleep-inducing effect.

  • Retains its original form after Luo Sanpao becomes the Blue Lightning Tyrant Dragon. 161 211
  • Can be used alongside his First Soul Skill to create a toxic, foul-smelling “Biochemical Hell” that forces opponents to retreat. 211
  • Like his First Soul Skill, it must be released personally after his martial soul loses Luo Sanpao’s physical form. 160 161

Blue Lightning Tyrant Dragon Martial Soul

The Seven Absolutes Sun Severing Flower changes Luo Sanpao into the Blue Lightning Tyrant Dragon martial soul. Yu Xiaogang initially considers this an evolution, but the process removes the Golden Sacred Dragon origin that gave Luo Sanpao its unusual materialized form. 160 161

  • Grants conventional Martial Soul Possession, enhanced physique, and lightning-based power. 160
  • Luo Sanpao loses its physical body and intelligence. 160
  • His Third Soul Skill releases a thunder dragon through a punch, blasting a crater into the ground. 256
  • The retained first and second skills undermine the dignity and practical value of his new martial soul. 160 256
  • He can no longer perform the Golden Sacred Dragon Martial Soul Fusion Skill with Flender and Liu Erlong. 211

Martial Soul Theory

Yu Xiaogang presents himself as a Martial Soul Theory Master and is associated with the Ten Core Competencies of Martial Soul and the Spirit Ring Absorption Limit Theory.

  • Uses his reputation as a theorist to maintain authority over Tang San and retain Liu Erlong’s admiration. 291 302
  • Is unable to produce a Seven-in-One Fusion Skill when Liu Erlong publicly pressures him to do so. 291
  • Gu Han publicly accuses him of plagiarizing Spirit Hall texts and of producing theories filled with errors. 257 258

Relationships

  • Bibi Dong — Former lover and devoted patron. She brings him to Spirit City, supplies resources for Luo Sanpao’s evolution, and gives him the Seven Absolutes Sun Severing Flower; their relationship collapses after she learns he attempted to murder her for his own restoration. 110 112 158 358 359
  • Tang San — His disciple, whom Tang San initially regards as a second father. Yu Xiaogang prioritizes Tang San’s growth and accepts Spirit Hall resources for him, but their relationship deteriorates after Yu Xiaogang’s schemes lead to Tang San’s injury. 112 137 234
  • Liu Erlong — His cousin and lover. She remains devoted to him despite his physical changes and loss of an arm, but is devastated when he agrees to abandon her to secure his and Tang San’s release. 230 251 361
  • Flender — Longtime companion and sworn brother. Flender accompanies Yu Xiaogang through multiple crises but later confirms Bibi Dong’s accusations against him. 251 358 359
  • Yu Yuanzhen — His father and the patriarch of the Blue Lightning Tyrant Dragon Clan. Yu Yuanzhen attempts to restore Yu Xiaogang’s standing by staging a public demonstration of his evolved martial soul, only for the event to become a disaster. 251 255 256
  • Gu Han — Rival sharing a similar original martial soul. Gu Han’s successful Sacred Dragon evolution fuels Yu Xiaogang’s jealousy, while Gu Han repeatedly exploits Yu Xiaogang’s desperation and publicly exposes his failures. 141 152 257
  • Tang Chen / Asura God — Tang Chen offers to restore Yu Xiaogang’s masculinity; the Asura God later fulfills that restoration after Yu Xiaogang completes his assigned task. 338 356

Story Role / Major Arcs

Spirit Hall and Luo Sanpao’s Failed Evolution

Bibi Dong brings Yu Xiaogang and Tang San to Spirit City, intending to reproduce Gu Han’s method of evolving a Luo Sanpao-like martial soul. Yu Xiaogang feeds Luo Sanpao Holy Light White Dragon flesh, but its Light and Lightning attributes clash; the martial soul can absorb little nourishment before violently expelling the material. 112 116 117

Unable to accept failure, Yu Xiaogang searches Spirit Hall’s library, continues feeding Luo Sanpao dragon flesh and medicine, and endures Gu Han’s supposed treatments. The treatments are designed to torment rather than help him, but Yu Xiaogang persists because he remains fixated on becoming a Golden Sacred Dragon wielder. 119 141 152 153

Seven Absolutes Sun Severing Flower

Bibi Dong gives Yu Xiaogang the Seven Absolutes Sun Severing Flower in hopes of solving his martial soul problem. He consumes the entire flower, breaks through to Rank 30, and suffers severe burning effects that strip him of his masculinity. 157 158 159

Luo Sanpao becomes the Blue Lightning Tyrant Dragon, but its original skills remain unchanged. Yu Xiaogang’s First Soul Skill consequently forces him to perform its explosive excretory effect himself, causing him to collapse in humiliation. 160 161

Suotuo City Infamy

After Gu Han exposes his history with Bibi Dong and his use of Spirit Hall resources, Yu Xiaogang lashes out with his first two soul skills to rescue Flender and Qin Ming. The resulting foul mist and waste engulf the area around Suotuo Great Soul Arena, making him notorious throughout Suotuo City. 209 210 211

He later attempts to use Tang San’s identity as Tang Hao’s son, as well as Tang San’s Twin Martial Souls, to convince Meng Shu to cooperate against Gu Han. The attempt instead worsens Tang Hao’s opinion of him and contributes to the rift between Yu Xiaogang and Tang San. 227 228 234

Return to the Blue Lightning Tyrant Dragon Clan

Following the loss of his arm and Tang San’s crippled leg, Yu Xiaogang returns to his clan with Liu Erlong and Flender. He fears revealing his evolved martial soul because its first two skills remain humiliating, but Yu Yuanzhen publicly forces him to demonstrate it. 251 254 255

Yu Xiaogang initially receives the recognition he always desired when the audience sees his Blue Lightning Tyrant Dragon. Gu Han then pushes him to reveal all of his skills; the First and Second Soul Skills turn the ceremony into a catastrophe, humiliating Yu Xiaogang, Yu Yuanzhen, and the entire clan. 255 256 257 259

Betrayal and Downfall

Yu Xiaogang continues seeking ways to restore his reputation, including claiming that he can develop a Seven-in-One Fusion Skill and planning to use Bibi Dong’s knowledge of Twin Martial Souls to strengthen Tang San. 291 304 305

After Tang Chen and the Asura God offer restoration of his masculinity, Yu Xiaogang betrays Bibi Dong by drugging her and abandoning her in the Star Dou Great Forest, intending for her to die. Bibi Dong survives, exposes his actions, and later takes revenge by castrating and torturing him. 338 356 358 359 361

When Bibi Dong offers freedom for himself and Tang San in exchange for abandoning Liu Erlong, Flender, and their companions, Yu Xiaogang accepts. Gu Han then exploits the wording of the promise, leaving Yu Xiaogang humiliated before the crowd once again. 361 362