Scanning gave the villain Nine a reader's eye for other people's powers, letting him pick out what Quirk someone carried and gauge how much force they were putting behind it. The ability was lifted from a hero whose name never comes up, and its title is fan shorthand rather than canon.
The power belonged to Nine, the antagonist of My Hero Academia: Heroes: Rising, and it appears only in that film. Like most of his arsenal, it was taken from someone else, in this case an unidentified professional hero.
No official name for it exists, so Scanning functions as a descriptive placeholder. The Quirk is classified as an Emitter type with short reach.
The ability worked as a form of assessment. Nine could probe a person and get a partial read on what Quirk they held, though the resolution was limited rather than total.
Its second function was measuring output. The Quirk rendered targets in something like a thermal display, showing how much power a person was channeling at a given moment. That is how Nine caught Izuku Midoriya deliberately ramping up his strength during their confrontation.
Scanning is fan shorthand, not an official name, for a Quirk that let the villain Nine partially identify another person's Quirk and read how much power they were channeling.
Nine obtained Scanning the same way he got most of his arsenal, by stealing it from an unidentified professional hero before the story of My Hero Academia: Heroes Rising begins.
Scanning is an Emitter-type Quirk that only works at short range.
Nine used Scanning's power-reading function to catch Izuku Midoriya deliberately increasing his strength during their fight, since the Quirk displayed his output like a thermal readout.
Scanning appears exclusively in the film My Hero Academia: Heroes Rising and does not show up in the manga or the main anime.
Looking for more on Scanning? The My Hero Academia Wiki on Fandom has a dedicated page with community notes.
View on FandomThis content is original writing by Daddy Jim Anime 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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