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Oni (Mortal Kombat)

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The Oni (sometimes known as Onis) are a vicious race of demonic beings that inhabit the Netherrealm and one of the many known speicies in the Mortal Kombat universe.



  • The term Oni comes from the demons of the same name in Japanese folklore.
  • Quan Chi was once an Oni, until he became a demon with his mastery over sorcery.
    • The common Oni in Deception is dressed like Quan Chi from Deadly Alliance onwards.