- "Allow me to show you why they call me The Tailless Beast!"
- ― Kisame Hoshigaki (Naruto)
The power to undergo a transformation into a form with beast-like abilities, powers, skills, and traits. Variation of Mode Switching.
- Beast Form
- Monster Form/Mode
The user is able to enter a state which allows beast-like abilities, skills and traits with bestial capabilities and powers that transcend all of the user's basic limits whether physical, spiritual, mental and so on.
- User may become more feral.
- Drake (Blade: Trinity)
- Jurota Shishida (Boku no Hero Academia)
- Yuzun (Dragon Ball Super)
- Zarbon (Dragon Ball Z)
- Elfman (Fairy Tail)
- Joseph Bertrand III (Infamous)
- Hitomi Uzaki (Killing Bites)
- Kain (Legacy of Kain)
- Saturn (Marchen Awakens Romance); after his Darkness ÄRM, Finsternis broke
- Minks (One Piece)
- Saki Amamiya (Sin and Punishment)