Yu Xiaogang

Biodata

Feature	Value
Name	Yu Xiaogang (玉小刚)
Alias(es)	Dragon God Douluo; Young Sect Master; Light Dragon; Bloodlight Dragon-Man
Species/Race	Human
Gender	Male
Affiliation	Blue Lightning Tyrant Dragon Clan; Martial Soul Academy; Martial Soul Academy Second Team; Sea God Island Soul Core research group
Occupation/Role	Soul Master; researcher; inventor; team captain; mentor
Status	Alive; wanted criminal on the Sun Moon Continent under the identity of the Bloodlight Dragon-Man
First Appearance	Chapter 1

Power Progression

Stage / Realm / Level	Chapter	Notes
Innate Soul Power level 1	114	Awakened an unprecedented External Beast Martial Soul, but possessed only level-one innate soul power.
Level 13, nearing 14	68	Recovered after absorbing his First Soul Ring; his first ring was a Thousand Year ring and granted Soul Power Release.
Level 14	71	Reached this level within half a month as his cultivation speed surged.
Level 20	72	Began planning a 4,000–5,000-year dragon-type Second Soul Ring with a Light Attribute.
Level 24	95	The residual energy from his 5,000-year Second Soul Ring raised him to level 23; later cultivation brought him to level 24.
Level 42	234	His Soul Power rose from level 30 to level 42 within two or three months after obtaining his Third Soul Ring.
Level 50, Soul King	363	Reached the Soul King realm and acquired the Fifth Soul Skill, Light Explosion Technique, to address his perceived lack of offensive power.
Soul Power level 60	376	Completed an Angel God's trial and received a God-Bestowed Spirit Ring; waited for Yu Yuanzhen before absorbing his sixth ring.
Sixth Soul Ring: 128,000 years	382	Raised his sixth ring to the Hundred Thousand Year level, setting a new record.
Level 64, Soul Emperor	385	Awakened after absorbing his Hundred Thousand Year Sixth Soul Ring and found that its residual power had raised him to level 64.
Level 70, Soul Saint / Level 76	470	Reached level 70 after a year of cultivation and entered the Soul Saint realm through a Sea God-bestowed ring; the ring's energy immediately raised him to level 76.
Level 77, Advanced Soul Saint	470	Broke through once more shortly after becoming a Soul Saint, following the removal of the Ultimate Attribute cultivation bottleneck.

Background / History

Yu Xiaogang was born as the son of Yu Yuanzhen, sect master and sole Titled Douluo of the Blue Lightning Tyrant Dragon Clan. As the clan’s expected heir, he was indulged by elders, respected by powerhouses, and courted by younger disciples; this upbringing made him arrogant and dismissive of those he considered inferior. 3

After transmigrating into Yu Xiaogang’s body, he combined ideas from his former life with study of the Douluo cultivation system to alter the fate expected of the original Yu Xiaogang. He gradually accepted Yu Yuanzhen’s care as a father and resolved to make himself shine brightly enough that nobody could use him to mock Yu Yuanzhen. 1 10

His awakening produced an unprecedented External Beast Martial Soul but only level-one innate soul power. He overcame this limitation through extensive clan resources, research, deliberate soul-ring choices, and a willingness to take extreme risks—most notably absorbing a Thousand Year First Soul Ring. 56 114

Before obtaining his First Soul Ring, Yu Xiaogang discovered the strengthening properties of Whale Rubber and helped establish its use to increase Soul Masters’ tolerable Soul Ring age limits. The Blue Lightning Tyrant Dragon Clan kept the discovery controlled, granted him Soul Douluo-level treatment, and used the resource to cultivate members with unusually high-quality First Soul Rings. 28 31

Yu Xiaogang’s early research led him to view Martial Soul evolution as the primary means of defying innate limitations. He concluded that stacking compatible elemental and bloodline attributes could cause qualitative evolution, then chose pure-blooded dragon Soul Beasts and increasingly extreme Soul Ring ages to evolve Little Dragon. 15 17

Seeking knowledge on Light Attribute cultivation, he entered Martial Soul City and Martial Soul Academy. There he befriended Bibi Dong, challenged the academy’s Elite Class, formed the Dragon Emperor Duo with her in the Great Soul Arena, and later led the Martial Soul Academy Second Team. 89 96 113 246

His successive Soul Ring absorptions and Martial Soul evolutions changed both Little Dragon and Yu Xiaogang himself. The absorption of his Ten Thousand Year Third Soul Ring gave him golden hair and enhanced his physical appearance, while his later evolution elevated his Light Attribute to Ultimate Light. 128 359

After arriving on Sea God Island, Yu Xiaogang expanded his research into Soul Power Vortices and Soul Cores with Bo Saixi and several high-level Soul Masters. Once his Ultimate Attribute cultivation restriction ended at level 70, his cultivation speed accelerated sharply and he began pursuing a future Titled Douluo breakthrough without sacrificing his foundation for rapid gains. 470

While operating on the Sun Moon Continent, Yu Xiaogang adopted the identity of the Bloodlight Dragon-Man to target Fallen Soul Masters and corrupt officials. After publicly defeating Soul Douluo Lei Zhen in Aojia City, the Sun Moon Empire issued a dead-or-alive warrant for that identity. 507 510 518

Personality

Yu Xiaogang is analytical, ambitious, and intensely motivated by self-improvement. He treats knowledge, resources, and social standing as tools for becoming stronger, and he is willing to challenge established assumptions when they obstruct his goals. 25 53 96

He dislikes formal socializing and becomes exhausted by prolonged public attention, preferring research, cultivation, and practical experimentation. 89 114

Despite his confidence and occasional arrogance, he is capable of careful judgment. He conceals key details of his abilities, studies opponents’ weaknesses, and uses provocation or apparent emotional instability as tactical tools. 101 222 349

As a teacher and leader, he sets demanding standards but shares his discoveries openly with those he trusts, including detailed guidance on mental-power cultivation for Lin Lang. 37 325

Yu Xiaogang is fiercely loyal to Little Dragon. When the Sea God offered him a path to godhood conditional on replacing his Martial Soul, Yu Xiaogang immediately refused, considering Little Dragon an inseparable companion rather than a disposable tool for power. 456

His long-term planning extends beyond personal cultivation. He prepares contingencies against future threats, researches methods to improve Soul Master talent, and uses the clan’s resources to recruit or cultivate future allies. 434 437

Although he recognizes that he could use his second Martial Soul to rapidly acquire Spirit Rings and pursue level 90 before age twenty, Yu Xiaogang rejects such a shortcut. He prioritizes a superior foundation and continued long-term potential over an outwardly impressive but rushed advancement. 470

Yu Xiaogang has what others describe as “firepower insufficiency anxiety”: even after reaching overwhelming combat strength, he continues creating increasingly destructive techniques because he considers additional power inherently worthwhile. 474

He remains cautious regarding personal ties that could compromise his objectives. He avoids becoming close to Ye Aoxin because he suspects she may be tied to the Sun Moon Empire’s imperial family and could expose his actions against Fallen Soul Masters and corrupt officials. 518

Appearance

Yu Xiaogang is a young man of the Blue Lightning Tyrant Dragon Clan whose presence changes dramatically when he activates his martial soul and combat forms.

• Has long golden hair, usually tied simply behind his head, sharp sword-like brows, and bright star-like eyes. 1
• His Third Soul Ring-induced Martial Soul evolution changed his hair to gold and enhanced his appearance. 128
• Has golden eyes while facing Yu Yuanzhen in Martial Soul Avatar form. 205
• His golden hair, golden eyes, and refined features visibly reflect the success of his Martial Soul evolution. 432
• Can merge with Little Dragon into a Dragon-Man Form. 349
• Full-power Elementalization manifests as a black-and-red form. 355
• His strength-form Martial Soul Avatar manifests as a giant dragon. 212
• Operates on the Sun Moon Continent under the feared identity of the Bloodlight Dragon-Man. 507 510

Abilities & Skills

External Beast Martial Soul — Little Dragon

Yu Xiaogang possesses an unprecedented External Beast Martial Soul, referred to as Little Dragon. It can fight beside him, merge with him, and act as the core of alternate combat forms. 114 212

• Enables a normal side-by-side combat state with Little Dragon. 212
• Can cultivate and learn alongside Yu Xiaogang, greatly increasing the efficiency of his cultivation and research. 31 32
• Yu Xiaogang and Little Dragon can independently release Soul Skills without interfering with one another, effectively allowing him to field double the combat output of an ordinary Soul Master. 69 70
• Can merge with Yu Xiaogang for Dragon-Man Form. 349
• Serves as the core of the strength-form Martial Soul Avatar. 212
• Worked with Yu Xiaogang in researching Soul Rings and pushing his sixth ring’s age. 168 382
• Its spirit can assist Yu Xiaogang’s perception from his Mental Space, allowing him to observe angles and threats outside his normal field of vision. 292

Soul Power Release

His First Soul Skill allows him to release Soul Power in forms he considers suitable for combat. 68 99

• Creates one-time Soul Power attacks. 99
• Forms fixed constructs to assist in battle, including Soul Power swords and Light Swords. 71 111
• Can be adapted as his Soul Power and imagination develop. 68
• Grants a passive increase to his total Soul Power that initially doubles it and continues strengthening as he advances. 69
• Allows him to control formed Soul Power projectiles individually or in coordinated groups. 69
• Allowed him to defeat Soul Ancestor Qin Haoyue using only his First Soul Skill. 99

Soul-Confusing Shock

His Second Soul Skill is a mental-control ability capable of disrupting an opponent’s body and consciousness. 111

• Temporarily incapacitated Bibi Dong during their sparring match. 111
• Was considered a significant obstacle to Tang San’s hidden weapons. 102
• Passively enhances Yu Xiaogang’s mental power, leaving most same-level opponents with little resistance to its effects. 76
• Combined with Dark Attribute power to blast Tang Hao’s spirit out of his body. 349
• Its Dark Attribute application can deepen an afflicted target’s mental weakness in addition to disrupting bodily control. 287

Third Soul Skill — Radiant and Darkness Domains

Yu Xiaogang’s Third Soul Skill initially manifests as the Radiant Domain, while Light-Darkness Conversion allows it to become the Darkness Domain. 135 287

• The Radiant Domain is one of the high-quality abilities that supports his Light Attribute combat system. 135
• The Darkness Domain suppresses an opponent’s abilities while concealing Yu Xiaogang’s presence. 287
• Yu Xiaogang used the Darkness Domain to envelop the tournament arena during his confrontation with Tang Hao. 352

External Spirit Bones

Yu Xiaogang has obtained multiple rare Spirit Bones through his Soul Ring hunts and exploration.

• Dragon-wing External Spirit Bones — Obtained alongside his 5,000-year Radiant Heavenly Dragon Second Soul Ring; the bones manifested as dragon wings on his back. 73
• Radiant Elemental Dragon Right Arm Bone — Acquired after absorbing his Third Soul Ring and grants the basis for his Elementalization ability. 133

Light-Darkness Conversion

His Fourth Soul Skill came from a 20,000-year Streamlight Eternal Night Beast. 228

• Grants access to both Light and Dark Attribute combat applications. 228
• Supports tactical shifts between ranged Light-based combat and close-quarters Dark-based combat. 287
• Its Dark Attribute contributed to his victory over Tang Hao. 349
• Allows the effects of several existing Soul Skills, including his Third Soul Skill and Soul-Confusing Shock, to change according to the active attribute. 287

Martial Soul Avatar and Combat Forms

Yu Xiaogang’s Martial Soul Avatar is a unique Martial Soul Fusion Skill that a single person can activate. 212

• Energy form — Yu Xiaogang leads; massively increases Soul Power and enhances Soul Skills. 212
• Strength form — Little Dragon leads; massively increases physical attributes and adds Light Attribute damage to physical attacks. 212
• Light transformation — His Light Attribute may allow him to transform into light. 212
• Yu Yuanzhen judged that, at equal level, no contemporary Titled Douluo could defeat him. 212

Elementalization

Elementalization is a versatile ability provided by Yu Xiaogang’s Radiant Elemental Dragon Right Arm Bone, turning him into an elemental combat form rather than serving only as an escape technique. 133 355 356

• Can be used at full power in black-and-red form. 355
• Enables relentless close-quarters pressure against physically powerful opponents. 287 355
• Lets him employ elemental abilities offensively rather than solely for survival. 356

Ultimate Light

Yu Xiaogang’s Light Attribute evolved into Ultimate Light after another Martial Soul evolution connected to the Heavenly Light War God Tiger’s Soul Ring. 359

• His Ultimate Light is considered comparable in grade to Yu Yuanzhen’s Ultimate Thunder. 359
• Allows him to perceive and manipulate surrounding light elements with greater precision. 359
• Its quality is sufficient to shock Qian Daoliu, whose Angel Martial Soul possesses Light Attribute power of the same level. 364
• Ultimate Attribute Soul Masters cultivate slowly between levels 30 and 70 because their Soul Power undergoes refinement; after level 70, the restriction is removed and their cultivation speed rises dramatically. 470

Fifth Soul Skill — Light Explosion Technique

Yu Xiaogang’s Fifth Soul Skill is the Light Explosion Technique, an offensive ability developed to compensate for the attack power he considered insufficient relative to his other attributes. 360 363

• Can unleash a devastating light-based explosion capable of destroying a massive tree trunk. 360
• Can be combined with Soul Power Release to create explosive constructs. 360
• Forms a key component of his later burst-type clone system’s self-destruction attack. 474

Sixth Soul Ring and Domains

Yu Xiaogang’s 128,000-year Sixth Soul Ring grants multiple Light Attribute Soul Skills and further expands his ability to change attributes. 382 390

• Supports transformation to the Dark Attribute, though the complete conversion of his increasingly complex power consumes immense Soul Power. 390
• Grants powerful Light Attribute Soul Skills beyond his standard Soul Skill configuration. 390
• Includes the Demon Dragon Domain, which Bibi Dong deliberately withheld when reporting the Sixth Soul Ring’s effects to Qian Xunji. 394
• Raised his combat power to the point where he could defeat Soul Douluo opponents despite being a Soul Emperor. 394

Mental Power

Yu Xiaogang reached Grandmaster-level mental power while still a Soul Ancestor and became responsible for developing its applications. 321 322

• Mental Overdrive — applies escalating mental pressure that can drive opponents toward breakdown. 321
• Mental Shock — caused Soul Emperor Lin Lang to temporarily lose control. 322
• Illusion Creation — created a false Little Dragon attack that Lin Lang failed to identify until Yu Xiaogang revealed it. 322
• Mental materialization — condensed mental power into a physical weapon without using Soul Power. 321
• Can perceive elemental particles and Soul Skill fluctuations, helping him predict opponents’ techniques and identify their attributes. 321 292
• Recognizes that illusions can have exploitable weaknesses. 322
• Mental Overdrive can leave a lasting psychological effect on defeated opponents; Tang Hao later suffered fear and loss of control upon witnessing Yu Xiaogang again. 418

Soul Power Constructs and Clones

Yu Xiaogang applies Soul Power Release, mental power, and his knowledge of Spirit Bone structures to develop increasingly elaborate self-created techniques. 323 363

• Soul Power Clone — creates a humanoid body of Soul Power and controls it by injecting mental power into it. 323
• Can design specialized clones around explosive Soul Skill structures, producing disposable combat bodies with extreme offensive output. 474
• His burst-type clones possess a final self-destruction attack combined with Light Explosion Technique. 474
• Developed rapid assassination, ultimate-defense, team-control, medical-support, and all-purpose-support clone variants. 474
• The all-purpose support clone can increase Soul Power, physical strength, mental power, and speed by 20% each, while its fifth ability improves physical defense and reflects long-range attacks. 474
• Soul Power Gundam — a complete form that spreads constructed patterns across a giant Soul Power body which Yu Xiaogang can control from within. 472
• Frequently demonstrates self-created Soul Skills during academy exchanges, earning widespread attention for the variety of techniques at his disposal. 363

Soul Power Vortex

Yu Xiaogang condensed a liquid Soul Power Vortex as an intermediate step toward forming a Soul Core. 425

• Operates automatically and drastically accelerates his Soul Power recovery. 425
• Lets him sustain extended battles with considerably less concern for Soul Power depletion. 425
• Causes his attribute-less Soul Power to carry characteristics of Ultimate Light, the Holy Attribute, and other traits that previously required Little Dragon or Soul Skills to manifest. 425
• He established a safe vortex-condensation method with the Sea God Island research group; Gu Rong, Yue Guan, and Gui Mei later succeeded in creating their own vortices. 470
• He intends to test and refine the enhancement before attempting the more difficult condensation of a Soul Core. 425

Soul Ring Energy Research

Yu Xiaogang discovered that Soul Ring energy could be stored and used beyond merely triggering Soul Skills. 168

• Channels Soul Power into a Soul Ring for storage. 168
• Can activate Soul Skills using stored ring energy without consuming his own Soul Power. 168
• His experiments established that absorbed Soul Rings can store Soul Power, effectively expanding his total available reserves. 169
• Pursues research into coexistence and the relationship between Soul Masters, Soul Beasts, and Soul Rings. 168

Spirit Bone Structure Research

Yu Xiaogang studies the internal structural patterns of Spirit Bones in hopes of understanding and reproducing their functions without conventional absorption. 243 282

• Dismantled a Spirit Bone and identified formation-like structures within it. 243
• Concluded that a replicated Spirit Bone lacking true absorptive properties would not function as a genuine Spirit Bone. 243
• Continued studying internal Spirit Bone atlases and ancient materials to improve his theoretical understanding. 282

Soul Core Theory

Yu Xiaogang theorizes that a Soul Master can undergo a second qualitative transformation by compressing Soul Power into a core analogous to the consolidated power core of a Hundred Thousand Year Soul Beast. 319

• Calls the hypothesized higher state a Golden Core, while regarding an incomplete initial result as a False Core. 319
• Treats the Soul Power Vortex and eventual Soul Core as the practical foundation for this new cultivation path. 412 425
• His Sea God Island research group developed practical methods for safely condensing vortices and resolving problems in their further transformation toward Soul Cores. 470

Soul Master Theory and Team Strategy

Yu Xiaogang applies research-based thinking to Soul Ring selection, individual development, and team composition. 72 135 255

• Selected soul beasts and coordinated skills for Zhu Zhuqing, dramatically improving her combat ability. 135
• Planned an unconventional team with two support-type Soul Masters and one food-type Soul Master. 255
• Designed buff-stacking tactics for the support-oriented lineup. 255
• Studies Soul Master coordination and prepares teams for the Continental Advanced Spirit Master Elite Tournament. 246
• Shares self-created Soul Skills and their underlying logic with others who can offer equal value, strengthening his reputation as both a combatant and scholar. 363
• Can deconstruct and reassemble the functional structures of Soul Skills onto self-created Soul Power constructs, allowing him to demonstrate techniques without visibly summoning Little Dragon or revealing Soul Rings. 522

High-Level Combat Power

Despite his Soul Power rank, Yu Xiaogang’s foundation, Ultimate Martial Soul, Soul Power reserves, and self-created techniques grant him combat strength far beyond conventional realm limits. 394 473

• As a Soul Emperor, he could defeat Soul Douluo opponents and withstand Titled Douluo-level sparring. 394
• As a Soul Saint, he assessed his practical combat ability as having reached the continent’s pinnacle even before his rank caught up. 473
• His strength was regarded as approaching that of a level-95 Titled Douluo while he remained only a Soul Sage. 474
• Easily defeated level-85 Soul Douluo Lei Zhen with a massive Light Element palm and a small Spirit Bomb. 507

Second Martial Soul

Yu Xiaogang possesses a second Martial Soul, though he does not rely on it for his principal cultivation path. 470

• He believes he could rapidly raise his rank by using it to absorb Soul Rings, potentially reaching level 90 before age twenty. 470
• He refuses to use this route as a shortcut, believing that doing so would compromise the standard and future potential of his development. 470

Equipment / Items

• Storage Soul Tools — Lent two to Flender for packing. 282
• Notebook — Used to record key points while teaching Lin Lang about mental-power cultivation and combat application. 325
• Dragon-wing External Spirit Bones — Rare External Spirit Bones obtained from the Radiant Heavenly Dragon. 73
• Radiant Elemental Dragon Right Arm Bone — Spirit Bone responsible for his Elementalization ability. 133

Relationships

• Yu Yuanzhen — Father and Blue Lightning Tyrant Dragon Clan sect master; supports Yu Xiaogang’s cultivation, sparring, research, and soul-ring acquisition. 7 71 212
• Bibi Dong — Close friend, rival, Soul Arena partner, and later wife; their competition pushes both to cultivate harder. 1 92 113 135 228
• Little Dragon — His External Beast Martial Soul and central combat partner; joins him in research and combat-form transformations. Yu Xiaogang values Little Dragon over even a direct path to godhood. 71 168 212 456
• Lin Lang — Soul Douluo bodyguard and sparring partner; receives Yu Xiaogang’s instruction on mental-power applications. 78 322 325
• Zhu Zhuqing — Disciple; adapts to Yu Xiaogang’s agility-attack combat style and benefits from his Soul Ring planning. 37 135
• Hu Liena — Disciple; playful but less diligent than her fellow students. 37
• Tang San — Disciple in the parallel comparison world; Yu Xiaogang resolves to train him toward godhood. 225
• Flender — Associate and potential Martial Soul Fusion partner; persistently trains the fusion skill with Yu Xiaogang. 282 321
• Dugu Bo — Research associate who discusses martial-soul issues and cultivation research with him. 168 320
• Lin Fei — Martial Soul Academy Second Team member who wishes to follow Yu Xiaogang after graduation. 320
• Qian Daoliu — Grand Pontiff who respects Yu Xiaogang’s virtues but investigates him over suspicions of Fallen Soul Master traits. 364
• Tang Hao — Rival from the Clear Sky Sect; repeatedly underestimates Yu Xiaogang and is defeated by him. Yu Xiaogang’s Mental Overdrive leaves Tang Hao with lasting fear after their encounters. 349 355 418
• Tang Xiao — Tang Hao’s elder brother and a Clear Sky Sect rival whom Yu Xiaogang deliberately provokes to draw out information regarding Ah Yin and the Tang brothers. 416 418
• Ah Rou — A transformed Hundred Thousand Year Soul Beast who sought an alliance with Yu Xiaogang’s group; Yu Xiaogang exposed that she had concealed her side’s true combat power. 222
• Gu Rong — Bone Douluo whom Yu Xiaogang attempts to recruit into the Blue Lightning Tyrant Dragon Clan with Secret Medicine and a talent-improvement method; Gu Rong is impressed by his potential, assists in Soul Core research, and teasingly encourages Yu Xiaogang to pursue Ye Aoxin. 434 437 438 470 518
• Yue Guan and Gui Mei — Senior associates who participate in Soul Power Vortex research and successfully use the resulting enhancement to advance as Titled Douluo. 470
• Sea God — Offered Yu Xiaogang a chance at godhood by replacing Little Dragon, but accepted his refusal with surprise and respect. 456
• Bo Saixi — Sea God Island’s High Priest, research partner, and mentor, who helps resolve Soul Core research problems and explains the cultivation characteristics of Ultimate Martial Souls. 470
• Xiao Bai — The Demon Soul Great White Shark and Sea God’s mount; becomes interested in Yu Xiaogang’s self-created Soul Skills after witnessing his cultivation and combat techniques, eventually treating him as a reassuring potential ally. 472 474
• Lei Zhen — A level-85 Soul Douluo who attempted to arrest Yu Xiaogang in Aojia City and was effortlessly defeated. 507
• Ye Aoxin — The Emerald Dragon Princess and a Soul Master Yu Xiaogang defeated at the Sun Moon Continent’s Martial Soul Center. Their possible shared journey to Silver Moon City is strained by her pride and Yu Xiaogang’s suspicion of her imperial connections. 517 518

Story Role / Major Arcs

Heavenly Screen Comparison

The Heavenly Screen selects Yu Xiaogang of the Dark World and a parallel-world Yu Xiaogang for comparison. The contrast exposes the original Yu Xiaogang’s low talent and limited future against Dragon God Douluo Yu Xiaogang’s achievements. 1 3

Early Cultivation and First Soul Ring

He uses clan resources and research to overcome level-one innate soul power, then risks absorbing a Thousand Year First Soul Ring—a feat considered impossible by much of the continent. 53 56 68

Whale Rubber Discovery

Yu Xiaogang discovers Whale Rubber’s potential to strengthen Soul Masters’ bodies and increase their Soul Ring age limits. The discovery becomes a major strategic resource for the Blue Lightning Tyrant Dragon Clan and helps establish his standing within it. 28 31

Martial Soul City and Elite Class

Yu Xiaogang travels to Martial Soul City for Light Attribute knowledge, enters the academy’s Elite Class at level 24, and proves himself by defeating stronger students. 80 96 99

Dragon Emperor Duo

He and Bibi Dong register as the Dragon Emperor Duo, rapidly gaining fame through the Great Soul Arena. Their public battles make him a symbol that low innate Soul Power need not determine one’s future. 113 114

Martial Soul Evolution and Mental-Power Research

Yu Xiaogang discovers his Avatar’s multiple forms, researches the deeper use of Soul Ring energy, and pioneers systematic mental-power applications. 168 212 321 322

Tournament and Tang Hao Conflict

As leader of the Martial Soul Academy Second Team, he defeats Tang Hao through deception, Soul-Confusing Shock, Dark Attribute power, and full-power Elementalization. 349 355

Ultimate Light Evolution

After another Martial Soul evolution, Yu Xiaogang’s Light Attribute reaches the Ultimate Light level. The evolution further strengthens Little Dragon and confirms that Yu Xiaogang’s Light power stands alongside Yu Yuanzhen’s Ultimate Thunder. 359

Angel God's Trial and Sixth Soul Ring

He completes an Angel God's trial, reaches level 60, and raises his sixth Soul Ring to 128,000 years. 376 382

Sixth-Ring Combat Power and Domains

The Hundred Thousand Year Sixth Soul Ring grants Yu Xiaogang multiple new Light and Dark Attribute applications, including the Demon Dragon Domain. With its enhancement, he can defeat Soul Douluo opponents while only a Soul Emperor and can contest Titled Douluo-level power in sparring. 390 394

Soul Power Vortex and Future Preparation

Yu Xiaogang condenses a Soul Power Vortex to automate and dramatically improve his Soul Power recovery. At the same time, he advances long-term preparations for the Blue Lightning Tyrant Dragon Clan, including recruiting Gu Rong and offering methods to elevate later generations’ talent. 425 434

Sea God's Offer

The Sea God offers to replace Little Dragon and cleanse Yu Xiaogang’s body in exchange for a smoother route to godhood. Yu Xiaogang rejects the offer without hesitation, choosing his bond with Little Dragon over divine power. 456

Sea God Island Research and Soul Sage Advancement

After reaching the Soul Sage realm, Yu Xiaogang continues developing self-created Soul Skills on Sea God Island. His Soul Power constructs, specialized clones, and Soul Power Gundam attract the attention of Xiao Bai and demonstrate the breadth of his research-driven combat system. 470 472 474

Yu Xiaogang reaches level 70 after a year of cultivation, absorbs a Sea God-bestowed Soul Ring, and rises directly to level 76 before advancing again to level 77. Bo Saixi explains that the refinement stage restricting Ultimate Attribute Soul Masters ends after level 70, allowing his cultivation speed to surge. 470

Soul Core Research Team

Bo Saixi joins Yu Xiaogang’s Soul Core research group alongside Sea God Island’s Sacred Pillar Douluo. The group develops a safe method for forming Soul Power Vortices, enabling Gu Rong, Yue Guan, and Gui Mei to condense their own vortices; Yue Guan and Gui Mei subsequently complete their breakthroughs to Titled Douluo. 470

Sun Moon Continent and the Bloodlight Dragon-Man

While acting against Fallen Soul Masters and corrupt Sun Moon Empire officials, Yu Xiaogang assumes the identity of the Bloodlight Dragon-Man. He overwhelms the level-85 Soul Douluo Lei Zhen in Aojia City, prompting the Sun Moon Emperor to declare the Bloodlight Dragon-Man wanted dead or alive across the continent. 507 510

Emerald Dragon Princess Encounter

Yu Xiaogang encounters and defeats Ye Aoxin, the Emerald Dragon Princess, at the Sun Moon Continent’s Martial Soul Center. When they later need to travel toward Silver Moon City using the only available Soul Power Vehicle, both resist the arrangement: Ye Aoxin resents her defeat, while Yu Xiaogang fears that her possible imperial ties could endanger his covert mission. 513 517 518

Trivia

• Yu Xiaogang describes himself as hating socializing and repeatedly seeks quiet spaces to escape formal events. 89
• His fame after the Great Soul Arena caused wealthy but weak individuals to pursue him for cultivation methods. 114
• He considers himself overworked at thirteen because he continually chooses to pursue additional research projects rather than abandoning them. 282
• His public identity includes being the son of Thunder Douluo Yu Yuanzhen and the Young Sect Master of the Blue Lightning Tyrant Dragon Clan. 271
• He considers Little Dragon his companion and a part of himself, rather than merely a Martial Soul. 456
• Gu Rong considers Yu Xiaogang more qualified than Yu Yuanzhen was in his youth, citing his appearance, talent, status, inheritance prospects, and future potential. 518