Biodata

Feature Value
Name Oboro (胧)
Alias(es) Suit Thug; Dragon; God Slayer; Miketake-no-Kami; Zilcond
Gender Male
Affiliation Moritonio Circus (formerly); Philes Family; Hunter Association; Hell Pirates
Occupation/Role Transmigrator; Nen user; Ancient Text Hunter; Hunter Association Chairman; Hell Pirates captain
Status Active
First Appearance Chapter 1

Power Progression

Stage / Realm / Level Chapter Notes
Aura nodes forcibly opened 5 Chose the dangerous shortcut of having Moritonio open his aura nodes; rapidly gained control of his released aura.
Nen fundamentals mastered 11 Completed a year of mountain training and mastered Ten, Zetsu, Ren, and Hatsu.
Nen Master / Battle-hardened martial artist 27 System assessed him as a Nen master and battle-hardened martial artist, upgraded from an elite-level Nen user six months earlier.
Martial Arts Master / Nen Ability Master 89 During recovery, his panel listed him as promotable to National Level Hunter.
Tier 2 physical attributes / Sub-World Class Nen 123 Reached Tier 2 physically and Sub-World Class in Nen; his Attribute Cloud reached the Talent level.
World-Class Hunter (Ranked 8th) / Tier 3 Superhuman 133 Became a Three-Star Ancient Text Hunter; system listed his martial arts as “to Godhood.”
Nen ranking: 4th among humanity 214 Absorbing Neferpitou’s soul raised his Nen ranking from 7th to 4th.
Non-human 311 His Demon Slayer-era panel identified him as the “Origin of Will” with a non-human overall evaluation.
Qi Refining breakthrough 590 Fused his system with the Hunter × Hunter power system and absorbed Big Mom’s soul, breaking through his soul limitations and advancing his Qi Refining method.
S-Class Rank 1 Hero 680 Entered the Monster Association’s core base under this rank.

Background / History

Oboro is a transmigrator who entered the Hunter × Hunter world with knowledge of its original story. He initially lived as a street-picked wanderer in Moritonio’s circus, joining only months before Hisoka was taken in. Hisoka’s arrival revealed that the troupe was tied to Hisoka’s past and prompted Oboro to begin pursuing power in earnest 1.

After his system activated through contact with Hisoka, Oboro resolved to become a Hunter and build enough strength to survive the world’s dangers. He risked forced aura-node opening under Moritonio, then relied on systematic training and prior knowledge of Nen to rapidly establish a foundation 5 6.

Following his early Nen training, Oboro traveled through Heavens Arena, the underworld, the Hunter Association, the Dark Continent, and eventually other worlds. His journeys repeatedly centered on acquiring power, resources, information, and systems that could overcome his limits 24 36 246 590.

He later returned to the beginning of his Hunter × Hunter journey through the One-Punch world’s Will Tree, rejoining Moritonio’s circus at the time an injured Hisoka was found 687.

Personality

Oboro is calculating, intensely goal-oriented, and willing to accept severe risks for growth. He chose forced aura-node opening despite knowing it could drain his life force, because he refused to fall behind Hisoka 5.

He dislikes being entangled in unnecessary trouble and initially tried to avoid figures such as Hisoka and Illumi. Nevertheless, he concluded that operating alone limited his access to information and resources, leading him to exploit the mafia and later other organizations for influence 36.

His pursuit of strength is often cold and pragmatic. Wing describes him as someone whose exceptional will and personal style make him pursue anything beneficial to his goals without easily giving up; Killua accordingly considers him dangerous 168 169.

Despite this ruthlessness, Oboro can show concern for subordinates and teammates, sending injured members away from danger and encouraging their development 115. He also respects individuals of exceptional strength, particularly Netero, whose achievement of surpassing human limits he deeply admires 125.

Abilities & Skills

Nen

Oboro is primarily a Conjurer, though his Nen framework incorporates limited Specialist and Transmuter qualities. He cannot use those adjacent categories like a natural Specialist or Transmuter, instead blending them to construct his own unusually complex abilities 24.

  • Mastered Ten, Zetsu, Ren, and Hatsu during mountain training 11.
  • Uses advanced Nen techniques including Shu, In, Gyo, and En 11.
  • Maintained Gyo continuously against Sato to perceive weapons concealed with In 48.
  • His aura and Nen control became strong enough to intimidate Shadow Beast Earthworm without fighting 103.

Game Treasury of the Endless Dreamer

Oboro’s original major Nen ability is Game Treasury of the Endless Dreamer, manifested through a human-faced game power-button that connects to another dimension 24.

  • Creates and develops a personal game world containing maps, equipment, skills, monsters, and concealed game rules 24.
  • Initially could only summon resources from constructed content, including minions, Scuttle Crabs, Murk Wolves, Raptors, and Gromps 24.
  • Its hidden game rules can be difficult for other Nen users to detect 24.
  • Requires enormous Nen reserves, computational capacity, and development time 24.
  • Early on, Oboro could not freely select summoned minions, create stronger monsters, or fully define the game’s rules 24.

Hero Island and Hero Skills

Oboro later developed his game world into Hero Island, registering within it as the player Dragon and testing hero characters based on his own powers 105.

  • Exile — Killing enemies increases his attack range and critical-hit chance 105.
  • Hell’s Curse — Absorbs souls to raise armor and “magic power,” with magic power representing Nen intensity 105.
  • Soul absorption later expanded his attack range to five meters and granted a 20% Life Steal effect 123.
  • Continued absorption on the Dark Continent increased his telekinetic attack range to nearly one mile 246.

Soul Manipulation

Oboro’s soul-based Nen developed into one of his defining powers.

  • Absorbs the souls of defeated enemies to strengthen himself 123 214.
  • Can observe souls to identify weaknesses in unfamiliar lifeforms, then target them through Acupoint and Pulse Manipulation 246.
  • Shared vision through ghosts to observe Hisoka’s battle with Chrollo remotely 157.
  • Manifested Soul Pressure, killing a V5 representative with a single breath and mentally overwhelming an investigation team 232.
  • Can control and manipulate souls beyond normal human limits 236.
  • Defeated Neferpitou by manipulating and absorbing her soul 214.

Ghost Mist and Teleportation

Oboro can release Ghost Mist to evade, conceal himself, and disrupt opponents’ perceptions.

  • Used Ghost Mist against Zeno and Silva Zoldyck, forcing Zeno to use Dragon Swarm to clear it 152.
  • Possesses short-range teleportation and can return directly to Hero Island 105.
  • Escaped Zeno and Silva by teleporting away after their attack 152.
  • Later used space-type power to bypass the Neo Organization’s security and reach its top floor 641.

Time-Space Rupture

Oboro possesses a time-based recovery ability modeled after Ekko’s ultimate skill, Time-Space Rupture 213.

  • Connects him to his past shadow through a temporal thread 213.
  • Prevents him from attacking while he retreats along the thread 213.
  • Restores him to an earlier physical state; severed arms and injuries were healed when he merged with his temporal shadow 213.

Martial Arts, Breathing, and Acupoint Techniques

Oboro is an accomplished martial artist who supplements Nen with numerous physical disciplines.

  • System-listed techniques include Iron Shirt, Vajra Finger, Zhen Jiao, Ta Bu, God Fist, Xinyi Liuhe Quan, and Six Sects Tan Tui 27.
  • Learned and integrated National Martial Arts techniques and Acupoint Pulse Manipulation 103.
  • Uses a powerful breathing method to temporarily increase speed and strength 61.
  • Defeated Steve by using Acupoint and Pulse Manipulation to incapacitate him 114.
  • In the One Piece world, opened Qi flow through half of his body’s acupoints and gained full control over Haki 392.

Qi Refining

Oboro cultivates a Qi Refining method that became increasingly central after leaving the Hunter × Hunter world.

  • Destroyed an enemy pirate ship with a finger strike using Qi Refining 394.
  • Broke through his Qi Refining realm after absorbing Big Mom’s soul and Soul-Soul Fruit power 590.
  • His attempt to transport his physical body across worlds revealed that his realm remained insufficient against the time-space torrent 625.

Equipment / Items

  • Human-faced power-button — Conjured gateway used to load and access Game Treasury of the Endless Dreamer 24.
  • Hero cards — Used to select hero characters, runes, summoner skills, and acquired abilities within Hero Island 105.
  • System inventory — Stores physical items, including treasure chests 373.
  • Nichirin Blade — Used during his Demon Slayer-world activities; killed a demon with a single sword strike despite his weakened body 272.
  • Wooden staff — Used briefly against Kokushibo before Oboro switched to hand-to-hand combat 303.

Relationships

  • Hisoka Morow — Began as a dangerous variable Oboro considered killing, then became a long-term rival, contact, and competitive associate. Oboro eventually stopped viewing him as a threat 1 135 169.
  • Moritonio — Circus leader and early Nen instructor; opened Oboro’s aura nodes and trained him after recognizing his potential 5.
  • Abachi — Fellow circus member and the troupe’s only previously known Nen talent 1 6.
  • Illumi Zoldyck — Persistent acquaintance whom Oboro attempted to redirect toward Hisoka as a more suitable client 13.
  • Isaac Netero — Sparring partner, mentor-like elder, and an individual Oboro respects for his strength and achievements 60 61 125.
  • Biscuit Krueger — Hunter who became intrigued by Oboro’s Nen ability and contacted Netero about him 24.
  • Fills Lily — Sister of the man Oboro killed; agreed to his plan to take over the Fills Family and became a trusted political partner 36 43.
  • David — Philes Family subordinate entrusted with expanding the family’s network within V5 59.
  • Menchi — Member of Oboro’s squad, later its vice-captain; understands him better than most teammates and follows his orders under pressure 108 114 134.
  • Bald Charles — Former Heavens Arena acquaintance whom Oboro rescued from the Fills Family; Charles later publicly called himself Oboro’s registered disciple despite Oboro never accepting him as one 36 171.
  • Gon Freecss — A young Hunter Oboro observed but deliberately avoided influencing; Gon admires Oboro’s strength 54 169.
  • Killua Zoldyck — Distrusts Oboro because of his ruthless conduct, though Oboro considers Killua highly promising 54 168.
  • Dom — Hell Pirates subordinate with a mentor-mentee relationship to Oboro; follows him closely and regards his strength as a source of security 373.
  • Saitama — One-Punch world associate and occasional rival; Oboro’s later battle with him was framed as representing the Hunter × Hunter world 658 666.

Story Role / Major Arcs

Circus and Nen Training

Oboro joins Moritonio’s circus as a wanderer, recognizes Hisoka upon the latter’s arrival, activates his system, and forces open his aura nodes to begin Nen training 1 5. After a year of mountain training, he returns to find the circus gone and leaves for Heavens Arena 11.

Heavens Arena

He enters Heavens Arena to earn money and gain practical combat experience, becoming known as the “Suit Thug” and eventually a Floor Master 14 28. During this period, he develops Game Treasury of the Endless Dreamer after a year and a half of seclusion and refinement 24.

Philes Family and the Underworld

Following conflict with the Fills Family, Oboro kills Garu and negotiates with Fills Lily to become the family’s new head 31 36. He manipulates conflicts between the Ten Dons, seeks their backing, and uses the mafia’s wealth and intelligence network as a route toward broader influence 43 47.

Hunter Association

Oboro seeks Hunter status for access to information and V5, but abandons the Hunter Exam after sparring with Netero and recognizing their vast gap 59 61. He later becomes an Ancient Text Hunter, completes difficult Association missions, rises to Three-Star status, and eventually becomes Chairman 89 115 133 238.

Chimera Ants and the Dark Continent

Oboro defeats Neferpitou and absorbs her soul, dramatically increasing his strength and Nen standing 214. He subsequently leads preparations for the Dark Continent, where prolonged hunting and soul absorption continue expanding his physical and Nen capabilities 238 246.

Demon Slayer World

After transmigrating into the body of the frail samurai Musashirou, Oboro adopts the name Oboro and investigates the world’s Breathing techniques and demon physiology 268 270. He becomes an Upper Rank Six, defeats Doma and Kokushibo, and spends decades altering the world’s martial, spiritual, and Breathing foundations 303 320 333.

One Piece World

Oboro becomes the God Slayer and forms the Hell Pirates, using cards, bloodline grants, soul power, and Qi Refining to build a selective crew 372 373 392. He later wages war against the World Government’s foundations, including the Golden City massacre, as part of his conflict with the Pirate World Will 561.

One-Punch World and Return

Oboro enters the One-Punch world, takes control of the Neo Organization, and becomes S-Class Rank 1 642 680. After failing to understand time-based laws across the multiverse, he asks the One-Punch Will Tree for help and is returned to the beginning of his Hunter × Hunter journey 687.

Trivia

  • Oboro’s early progress in Nen was aided by systematic training and prior knowledge, which he distinguishes from Hisoka’s natural talent 6.
  • He considers Heavens Arena a “beginner’s village” after reaching far greater heights 169.
  • His game-world ability was inspired by concepts and data he remembered from his previous life, allowing him to reduce its mental-development burden 24.
  • He has described the Hunter × Hunter world as the place where his deepest experiences and strongest sense of belonging originated 499.