The power to remove a mouth from one's body. Opposite of Mouth Manifestation.
- Maw/Mouth Degeneration
- Mouth Sealing
User is able to seal/remove mouth from someone's body.
- Negates voice-based powers, such as Spell Casting, Verbal Teleportation, Hypnotic Voice, etc.
- Catherine Madison (Buffy, the Vampire Slayer); via Spell Casting
- Eddy (Ed Edd n Eddy)
- Hope Mikaelson (Legacies); via Spell Casting
- Alicorn Amulet (My Little Pony: Friendship is Magic)