Mutant Bovini is the villain Quirk carried by the Stitched Giant, and its documentation comes by way of My Hero Academia: The Strongest Hero. The premise is simple and direct: the user's face doubles as a laser emitter.
Mutant Bovini is an Emitter Quirk with long reach, attributed to the Stitched Giant. Its user first shows up in Chapter 14 of the manga and in Episode 10 of the anime, while the Quirk itself is named through the game My Hero Academia: The Strongest Hero.
The ability turns the holder's face into a weapon, launching laser fire from it at distant targets. No further detail about output, control, or duration is provided anywhere in the material.

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Mutant Bovini is an Emitter Quirk with long reach used by the villain known as the Stitched Giant. It turns the user's face into a weapon capable of firing lasers at distant targets.
The Stitched Giant is the only known user of Mutant Bovini in My Hero Academia, first appearing in Chapter 14 of the manga and Episode 10 of the anime.
The name Mutant Bovini comes from the mobile game My Hero Academia: The Strongest Hero, since the Quirk was never given a name in the manga or anime itself.
Mutant Bovini lets its user, the Stitched Giant, launch laser fire directly from his face at targets from a distance, though the story provides no further detail about its output or duration.
Mutant Bovini functions much like Laser and Beams From His Eyes, other Quirks in My Hero Academia that let their users fire energy blasts, though no direct connection between the users has been established.
Looking for more on Mutant Bovini? The My Hero Academia Wiki on Fandom has a dedicated page with community notes.
View on FandomThis content is original writing by Daddy Jim Headquarters based on the My Hero Academia anime series, manga, and official materials. My Hero Academia was created by Kohei Horikoshi, published by Shueisha, and animated by Bones. All rights to My Hero Academia and its characters belong to their respective owners. Episode and chapter references are cited where applicable.
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