Mummification

Mummification, spoken as Mamī, is an Emitter Quirk with long reach, used by Hoyo Makihara. It makes its debut in the feature film My Hero Academia: Heroes: Rising. Where most Emitter powers throw something at a target, this one converts the battlefield's own scenery into a fighting force.

Hoyo steers the crimson wrappings that cover him, sending them out to catch objects around him. Whatever gets tangled up is rebuilt into a red mummy shaped roughly like a person, which then obeys whatever order he gives and fights on his behalf. How many he can drive at once has never been established, though he has been seen commanding dozens simultaneously.

The catch is that only lifeless things respond. People cannot be seized outright. He works around this by grabbing whatever a person happens to be wearing or carrying, which lets him drag them around by proxy, throw them at his enemies, and post them in front of himself as living cover.

Hoyo Makihara is the only user. His control has real gaps: sufficient force snaps the bandages outright, and everything they held goes free the moment they break. Even someone he has bound through their clothing can still struggle loose, which is exactly what Katsuki Bakugo does, sacrificing a single Grenadier Bracer to blast his way loose. Knocking Hoyo unconscious shuts the whole thing down at once.