King

Biodata

Power Progression

Background / History

Rescue and mistaken recognition

King begins as a socially anxious shut-in with exceptional gaming skills but extremely poor physical conditioning. After Saitama saves him from an octopus monster, King returns from a pharmacy to thank his rescuer. Josen treats his facial wounds with the Mystical Palm Technique, but three scars remain 81 82 85 86.

The Hero Association’s M City branch mistakes King’s fierce appearance for evidence of extraordinary strength and credits him with Saitama’s victory. Its representatives give him the Hero Name King and designate him a Specially Invited Hero, intending to promote him directly to S-Class once sufficient achievements have been established. Distressed by the mistake, King calls Josen for advice and accepts an invitation to Z City 82 83 84.

Joining the Hot Pot Group

King brings seafood and his game console to Saitama’s apartment, where he joins Josen and Saitama for hot pot. Gaming immediately gives him confidence: he defeats Josen despite Spider-Time and subsequently beats Saitama 108 times. Their companionship helps him relax, while Saitama begins supervising his physical training 84 85.

Josen later introduces him to Electric Current Propulsion. Despite nearly going into shock during the initial treatment, King endures the pain because he wants the ability to control his own fate. Josen and Saitama arrange a monster encounter that forces him to rely on his newly developed strength, leading to his independent awakening of the technique 96 97 98 99.

Afterward, King returns to M City rather than remain dependent on his friends in combat. When weaker monsters repeatedly die before he can fight them, Josen explains that his electrically enhanced heartbeat and intimidating aura have become weapons in their own right 99 105 106.

Special training and professional hero work

Josen organizes further training with strengthened monsters, while Saitama serves as a sparring partner and later supervises the battles. King’s technique-oriented fighting develops rapidly, culminating in his defeat of a Dragon-level opponent. He apologizes for destroying Josen’s estate during the finishing attack and credits his friends for helping him improve 158 166 170 175 177.

King’s Association application is approved through the M City branch. Fubuki attempts to recruit him by offering a route to becoming the Fubuki Group’s deputy leader, but withdraws the proposal upon learning that his assigned rank will be S-Class. He subsequently begins official work and earns public acclaim for defeating a giant cyclops in K City 219 221 231 296.

Elder Centipede and the Monster Association

After acquiring the Emperor Armor, King fights Elder Centipede alongside Genos and Atomic Samurai. Their attacks damage the monster but fail to overcome its regeneration, and the fighters help position it for Saitama’s finishing blow. King accepts the limits exposed by the battle and resolves to continue developing as a hero 423 433 435 436 440.

During the Monster Association assault, King accompanies Genos into the base to provide mutual support. Their coordination clears numerous lesser monsters and nearly ten Demon-level opponents. Despite knowing that Orochi exceeds the strength of an ordinary Dragon-level monster, King leads their advance into the central area to test his limits 462 466 467 472.

When Genos is badly injured by Gyoro Gyoro, King blames himself for failing to protect him. He asks Saitama to take Genos away for treatment and remains to fight Orochi. The prolonged battle ends with King blasting Orochi into shredded flesh and reaching a higher tier of magnetic power. Orochi’s remains subsequently become part of Psykos’s fusion, while King emerges from the ruins and rejoins his friends 477 478 495 496 497 502 504.

Appearance

• Tall, blond, and initially underdeveloped: His early physique is tall but far from muscular; sustained training later gives him a burly build and exceptionally dense musculature 82 85 105 423.
• Three facial scars: Long, narrow scars remain after Josen heals his wounds and are later described as lying over his left eye 82 433.
• Naturally intimidating face: His expression and scars suggest killing intent even when he is merely confused, impatient, or socially anxious 82 83 215.
• Blue eyes and slicked-back hair: His pupils initially appear blue. Magnetic Field Rotation fills his eyes with golden lightning; his hair stands upright during the intense battle with Orochi 170 171 495.
• Electrical aura: Early Electric Current Propulsion produces blue arcs, while magnetic-field techniques surround him with golden lightning and plasma 98 170 171.
• Clothing and armor: Wears a black knit shirt early on and later equips the golden Emperor Armor, which can conceal itself within ordinary clothing 82 98 423.

Personality

King’s imposing exterior conceals timidity and longstanding social anxiety. He is easily frightened early in the story, and his apparently composed response to Tatsumaki’s praise actually masks discomfort and a desire to return home to his games 81 84 96 215.

His confidence changes sharply when gaming is involved. He becomes relaxed and assured with a controller in hand, enjoys difficult comebacks, and occasionally teases Saitama about his inability to win. That appetite for turning around unfavorable situations later appears in combat: King actively seeks powerful opponents and initiates the challenge against Orochi 85 99 305 467 472.

Although reluctant at first, King develops considerable endurance and determination. He accepts painful electrical training, chooses independent monster fighting over reliance on his friends, and learns to distinguish nervousness from unwillingness to fight 96 97 99 105 106.

He remains gentle, modest, and considerate as his strength grows. He declines to teach Genos because he considers himself too inexperienced, apologizes for damage caused by his attacks, and takes Genos’s injuries personally. His friendships remain important to him even after he becomes a top-tier S-Class fighter 172 177 477 504 535.

Abilities & Skills

King Engine

King’s exceptionally loud heartbeat combines with his innate intimidating presence and later electrical enhancement to exert real pressure on opponents 99 105 106.

• Initially accelerates in response to fear; after his awakening, it can also be driven by fighting spirit 81 98 99.
• Frightens weak monsters to death before physical combat begins 99 105.
• Produces vibrations strong enough to shake surrounding buildings and terrain 99 170.
• Forces the Asura Minotaur’s heart into an uncomfortable rhythm and continues to hinder the Dragon-level Asura Crocodile Monster 167 175.
• Does not eliminate King’s nerves; Josen instead teaches him to use nervousness as a source of momentum 105 106.

Electric Current Propulsion

King generates bioelectric current through cellular friction and uses it to stimulate his body. Josen initially guides the process with Psychic Power before King learns to produce and control the current himself 96 97 98.

• Enhances strength, musculature, and physical performance 98.
• Channels electrical attacks through his fists; residual current briefly paralyzes the bull-headed monster 165.
• Develops rapidly under emotional pressure and live combat 164 165 170.
• Can exhaust his available bioelectricity, leaving him listless after heavy use 99.

Magnetic Field Rotation

An advanced development of Electric Current Propulsion, Magnetic Field Rotation gives King control over magnetic forces and greatly enhances both his body and mind 170 171 437.

• Flight and acceleration: Travels through the air and accelerates into high-speed charges 423 466 496.
• Field barriers: Blocks the Asura Crocodile Monster’s claw strike with an invisible energy barrier 176.
• Plasma generation: Collects minute metallic particles and heats them into plasma through induction 177.
• Weather influence: Forms storm clouds and lightning through his biomagnetic field, then disperses the clouds afterward 432 436.
• Enhanced thought: Accelerates his thinking enough to react to Orochi’s close-range attacks 496.
• Supernatural perception: Gains the ability to perceive forces inaccessible to ordinary humans 437.
• Automatic protection: Shields him from tens of millions of tons of falling rock while he meditates after defeating Orochi 502.
• Matter destruction: At his post-Orochi level, simply releasing his aura annihilates surrounding material 502.

Magnetic Perception and Telepathy

King’s awakened magnetic field extends his perception beyond ordinary sight and enables direct mental communication 170 173 466.

• Detects nearby people and monsters through their fields 170 466.
• Receives Josen’s thoughts while distracting Saitama during Genos’s recruitment effort 173.
• Communicates with Genos without latency during coordinated combat 466.
• Can disrupt machinery unintentionally: his awakening interferes with Genos’s power core and leaves him unable to move 170.

Coordinated Combat with Genos

King’s magnetic powers complement Genos’s mechanical body, allowing him to act as both a partner and a precision support controller 462 466.

• Adjusts Genos’s movements during extremely narrow reaction windows, including windows shorter than 0.01 microseconds 466.
• Enhances Genos’s cannon attacks through magnetic acceleration 475.
• Guides both fighters through Orochi’s crossing breath attacks while Genos continues firing 476.
• Cannot guarantee Genos’s safety against stronger opponents; Gyoro Gyoro still inflicts severe damage during their confrontation 477.

Supa Saiyan King and Named Attacks

Supa Saiyan King is King’s golden-aura combat state, used during Dragon-level training and the battle with Orochi 175 476.

Gaming

King is an exceptional gamer whose skill predates his supernatural training 85.

• Defeats Josen even while Josen uses Spider-Time 85.
• Wins 108 consecutive matches against Saitama during their first gathering 85.
• Executes one-handed defensive sequences and long comeback combos while his character has almost no health remaining 85 305.

Instruction

• Advises Glasses, who has similar electrical abilities, on using presence to overwhelm opponents before exchanging blows 425.
• Initially refuses Genos’s request for instruction because he has only been training for a little over a month himself 172.

Equipment / Weapons / Items

• Emperor Armor — Dr. Kuseno’s Type One nanosuit, bound to King’s identity through a DNA scan and controlled with his Biomagnetic Field. Its golden components assemble around him individually 423.
  • Uses mimicry to conceal itself within everyday clothing and provides shapeshifting functions 423.
  • Has independent combat capabilities that King leaves the laboratory to test 423.
  • Consists of nanoscopic vibranium particles. During the Orochi battle, particle depletion prevents damaged sections from fully reforming 495.
• Game console — Brings it to Z City at Josen’s request and uses it for matches with Josen and Saitama 84 85.

Relationships

• Josen — Friend, trainer, and principal guide to electrical and magnetic power. Helps King turn mistaken recognition into genuine strength and organizes his special training 84 96 97 170 175 177.
• Saitama — Rescuer, friend, gaming rival, and training partner. Builds King’s early exercise habits and later supervises or participates in his combat training 81 84 85 164 175.
• Genos — Combat partner who initially seeks King as a teacher. Their magnetic-mechanical coordination becomes highly effective, and each blames himself after Genos is injured during the Orochi confrontation 172 462 466 477 504.
• Bang — Respected senior hero. Notices King’s rapid growth and later checks him for signs of injury after the underground battle 92 219 504.
• Dr. Kuseno — Developer of King’s Emperor Armor; binds the suit to him and explains its functions 423.
• Fubuki — Attempts to recruit him into the Fubuki Group, then abandons the proposal upon learning of his S-Class assignment 221.
• Tatsumaki — Fellow S-Class hero who acknowledges his strength. King’s outwardly calm response conceals social anxiety 215.
• Atomic Samurai — Fellow hero and ally against Elder Centipede 433 435.
• Glasses — Receives advice from King on applying intimidation alongside electrical abilities 425.
• Iggy — Josen’s psychic dog, initially frightened by King’s appearance even without the King Engine. King apologizes for scaring him 646.

Notable Quotes

“I... can keep going.”
— Enduring Josen’s first electrical treatment 96.

“If I stay around you two all the time, I’ll start relying on you in battle.”
— Explaining his decision to return to M City 99.

“Well, Josen-san and Saitama were the ones who set me on the path of a Hero in the first place. I’ll just keep taking it one step at a time and do what I ought to do!”
— Reflecting after the Elder Centipede battle 436.