The Japanese phrase at the centre of this clip translates roughly as the extreme of duality, a name that fits a technique delivered with two layers of force at once. Shared online as a short soundboard clip, it travelled through anime edits, meme compilations and gaming videos, where its theatrical shout became shorthand for a move that is far stronger than it needs to be. Its appeal has lasted because the delivery is instantly recognisable even without subtitles, and the held scream gives editors a clean, dramatic peak to cut around.