The power to be or transform into a dream demon. Variation of Demon Physiology and Oneiric Physiology.

Also Called

  • Dream Demon Mimicry
  • Mare Physiology/Mimicry


User either is or can transform into a Dream Demon, a demonic entity that embodies, controls and resides in dreams and nightmares. Dream Demons are essentially omnipotent in the realm of dreams and use there abilities to haunt and torment humans in their dreams. Dream Demons possess a variety of abilities having to do with dreams and fears.




  • Oneiric Immunity
  • The user is powerless if the target is not afraid of them.
  • The user can only affect sleeping subjects.
  • As it is their dreams, targets may also be able to manipulate the dreams against the user via lucid dreaming.
  • The user is powerless if brought into the real world.

Known Users

  • Dream Demons (A Nightmare on Elm Street)
  • Bill Cipher (Gravity Falls)
  • Mares (Folklore)
  • Scary Terry (Rick and Morty)
  • Dreamcatcher (Skylanders)
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