Akki (悪鬼)

Name Meaning

Akki (悪鬼) translates directly to “evil spirit” or “wicked demon.” It is another name for a particularly malevolent form of oni, known for cruelty, chaos, and terror.

  • Aku (悪) = Evil
  • Ki (鬼) = Demon/Oni → “Evil Oni” or “Wicked Spirit”

Origin

  • Found throughout Japanese mythological texts and Buddhist scriptures.
  • Often invoked in exorcisms and stories as representations of extreme vice or karmic punishment.

Appearance

  • Massive, muscular oni with sharp claws, wild hair, and red or blue skin.
  • Fanged mouths, often wielding iron clubs (kanabō).
  • Frequently depicted with horns and animal pelts, symbolizing primal violence.
Akki Oni Form
Wicked Oni Warrior

Behavior & Symbolism

  • Symbolizes uncontrolled rage, punishment, and chaos.
  • Appears in Buddhist tales as beings who torment sinners in the underworld (Jigoku).
  • In folktales, serves as a cautionary figure, representing the consequences of greed or violence.

In Yōkai Lore

  • Often interchangeable with oni in pop culture, but with an emphasis on moral evil or wrath.
  • Depictions vary from tragic guardians to ruthless hunters of souls.
Akki Concept Art
Oni Spirit Akki