Man-Thing (Marvel Comics) secretes a powerful acid in response to fear.
Summary
The user can create, control and otherwise manipulate acids, bases ,and other caustic/corrosive substances, controlling the causticity, where and how the acid affects the object, amount of fumes it releases, etc. Users can use these substances to gnaw their opponents, dissolve their bodies and potentially ignore conventional durability.
Notable Users
- Maple (BOFURI)
- Xenomorph (Alien)
- Magellan (One Piece)
- Mina Ashido (Boku no Hero Academia)
- Reptile (Mortal Kombat)