Muska is the ambitious antagonist of Studio Ghibli's Castle in the Sky, first released in 1986, and Laputa is the ancient floating island at the centre of its story. Short clips tied to the film's most dramatic moments have long circulated on soundboards and in anime fan edits, where a few seconds of thunder can instantly signal Laputa's power. Because the film remains widely watched and quoted, this brief effect still works as shorthand for an ominous revelation, a villain's triumph or a world-changing discovery.