- Devil/Diabolical Symbiosis
- Demon Physiology and it's variations:
- Demonic Arm may be granted to the user.
- Demonic Aura
- Demonic Empowerment
- Demonic Energy Manipulation/Demonic Force Manipulation
- Demonic Magic
- Demonic Power Link
- Fusion with the demon can erode/destroy the mind and/or body of its host with time.
- Host runs the risk of long-lasting/permanent corruption from demonic influence.
- Purification of the host could cancel the symbiosis.
- The Vulcan (Bound by Flame)
- The Shaitan (Darkness Visible)
- Sabbac (DC Comics)
- Souma (Devil and Devil)
- Hellspawn (Image Comics)
- Wild Flower (Jade Empire)
- Ghost Rider (Marvel Comics)
- Shura (Soul Series)
- Legion (Various Religions)
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