"Arise from the nether abyss, the fiendish dragon of tranquil fury."
― Issei Hyodou (Highschool DxD)

The power to use the abilities of an demonic dragon. Combination of Demon Physiology and Dragon Physiology. Variation of Hybrid Physiology. Opposite to Angelic Dragon Physiology.

Also Called

  • Demon Dragon Mimicry/Physiology
  • Demodragon Mimicry/Physiology
  • Demonic Dragon Mimicry
  • Draconic Demon Mimicry/Physiology


User is or can transform into a demon-type dragon. These dragons have infernal and demon-like abilities, while also having the standard abilities of a dragon. Thanks to their hybrid nature, they are rare, more mystical and supernaturally conditioned.




  • May lose powers if they are redeemed.
  • Can still be vulnerable to holy powers.
  • May be controlled by corruptive influences easier than other dragons.

Known Users