"To be free is to have freedom of thought."
― Old Man (Fate/Apocrypha)

The ability to be completely immune to any psychic force. Variation of Immutability. Enhanced version of Psychic Shield. Psychic version of Absolute Invulnerability.

Also Called

  • Mental/Psychic Immunity/Invulnerability


User is completely immune to any/all psychic phenomena regardless of its nature and origin (natural, supernatural, magical, technological, etc.). They cannot be controlled, damaged, read, influenced, emulated, altered, detected or communicated with, forcing users with telepathic allies to rely on alternate means of long-distance communication, usually via technological or magical devices.

Simply put, users' mind cannot be entered in any way, making them de facto immune to any mind-related effects/abilities.




  • Applies to psychic phenomena only, user are vulnerable to physical and other supernatural attacks.
  • Completely prevents any form of telepathic communication, requiring the use of external devices.
  • Users of Absolute Psionic Power and Immunity Bypassing may be able to effect the target.

Known User

  • Cain Marko/Juggernaut (Marvel Comics); via his Helmet
  • Isabella Swan-Cullen (The Twilight Saga)
  • Blanks (Warhammer 40k)
  • Dark type Pokémon (Pokémon)
  • Jaden Yuki (Yu-Gi-Oh! GX); via fusing Yubel
  • Users of The Darkness (Yu-Gi-Oh! ARC-V)
  • Philip J Fry (Futurama)