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Mysterious Beings/Monster Association

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Monster Association

Mysterious Beings/Monster Association
Monster Association Icon
Leader Psykos
Headquarters Unknown

The Monster Association (怪人協会, Kaijin Kyōkai) is a Mysterious Beings group led by Psykos. Not much is known about it, except that they are the Hero Association's nemesis counterpart.



Invitation Card

Monster Association's invitation card

The Monster Association is an unknown group first introduced to Garou by two members of the said organization. They tried to invite him but are turned down, despite being unlikely friendly. 


Human Monster SagaEdit

Monster Raid ArcEdit

Several Members are sent out to take Hero Association members as hostages.

Monster Association ArcEdit

Members Edit

Webcomic and Manga DifferencesEdit


Start a Discussion Discussions about Mysterious Beings/Monster Association

  • Is Saitama actually a monster?

    4 messages
    • makes sense. it takes a monster to beat a monster....
    • Oh, come on! Saitama is not a monster! He's just tough! Sometimes, human beings are the worst type of monsters because of their actions.

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