On anime soundboards, short clips like this one circulate because fans want a single recognisable moment they can reuse without a long scene attached. The name points to the Kokusen technique, a well-known flash of power in anime fight sequences, and the sub-second length makes it easy to drop into edits, streams and reaction videos. Its appeal is practical rather than nostalgic: it is quick, instantly recognisable to fans, and strong enough to carry a highlight on its own.