- Caustic Spit
The user possesses acidic saliva.
- Acid Attacks
- Acid Generation
- Acid Manipulation
- Acidic Blood
- Acidic Bodily Fluids
- Without Acid Immunity, is user is are just as endangered as an adversary.
- User is limited to how much spit they produce.
- Distance, mass, precision, etc. depend upon of the knowledge, skill, and strength of the user, and their power's natural limits.
- Some materials cannot be eroded.
- Useless against Restoration
- Xenomorphs (Aliens Franchise)
- Megidramon (Digimon)
- Gluttony (FullMetal Alchemist)
- Dragons (Folklore)
- Angel Salvador (Marvel Comics)
- 762 (Legion Personality) (Marvel Comics)
- Reptile (Mortal Kombat series)
- Cloe Walsh (No More Heroes)
- Boa Marigold (One Piece); via Habi Habi no Mi, Model King Cobra
- Unnamed Student (Sky High)
- Arachnid (Transformers: Prime)