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Destrochloridium (デストロクロリディウム, Desutorokuroridiumu) was a Tiger-level Mysterious Being and a member of the Monster Association. He was killed by Superalloy Darkshine.[1]


Destrochloridium was a small monster with spotted skin and large eyes and lips. He had two antennae on its head. Both his hands were round with no fingers and could transform into drills.


Destrochloridium was a sadistic Mysterious Being who liked to kill humans for fun, as shown when he shoots a Hero Association staff member before apologizing for his lack of self-control. He also appears to have had a desire to increase his power by stealing the body of an S-Class Hero.


Human Monster SagaEdit

Monster Association ArcEdit

Destrochloridium death

Destrochloridium is crushed by Superalloy Darkshine

Destrochloridium first appear when he controls a Hero Association staff to deliver the message from Gyoro Gyoro to the Hero Association. During the negotiation, he deliberately shoots a member of the committee with a pistol and sadistically saying that he slips his hand.[2]

After Gyoro Gyoro finishes the demand to the Hero Association to gather all top class heroes to rescue the hostages in the Monster Association Headquarters, he begins to consider slaughter the committee with the host body only for Superalloy Darkshine to throw his host body into the wall. He then escapes the host body and tries to take over Darkshine's body only to see his drill attack to be useless against Darkshine's impenetrable body. He is then killed by Darkshine as the S-Class Hero squishes him with his hands.[3]

Abilities and PowersEdit

While only a Tiger-level Mysterious Being, Destrochloridium could pose an enormous threat on his own due to both his small size and unique ability, as if he took control of a strong enough body, then he could become more powerful than most other monsters.

Supernatural Abilities Edit

Destrochloridium power

A staff member of the Hero Association being controlled by Destrochloridium

Parasitic Mind Control: Destrochloridium could infiltrate a human's brain and control them as the host. It is shown that the controlled human often had Destrochloridium's antenna piercing through their head.[4] A requirement for this ability was that, unlike Do-S, who could control multiple people just by striking them with her whip, Destrochloridium needed to enter his victim's body and manually control them.

Physical Abilities Edit

Drill Arms: Destrochloridium had drills for arms that he could use to attack an opponent as well as use as the means to infiltrate a human's body to control it. The parasite notes that its drills are as tough as steel.[5]

Enhanced Speed: He possessed great speed due to his miniature size, as no one noticed him exiting the body of the Hero Association staff member that he was in, after Superalloy Darkshine threw him into the wall. He was even able to appear beneath Darkshine before any else noticed his presence and proceeded to attack the hero in an attempt to take control of his body before anyone could stop him.


  • The name "Destrochloridium" is a play on the word "destroy" and Leucochloridium, which is a type of parasitic worm.


  1. One-Punch Man Manga and Anime; Chapter 79, and Episode 21
  2. One-Punch Man Manga; Chapter 79, page 8-15
  3. One-Punch Man Manga; Chapter 79, page 16-23
  4. One-Punch Man Manga; Chapter 79, page 15
  5. One-Punch Man Manga; Chapter 79, page 22


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