Lightsaber sounds first appeared in Star Wars, where the glowing energy swords became one of cinema's most recognisable weapons. The clash itself is the sound of two blades meeting in a duel, and variations of it have been heard across the films, games and animated series that followed. Online, short isolated versions spread through soundboards and editing libraries, where creators could drop a single hit into videos without needing a full scene. It remains popular because the sound is instantly understood, even by viewers who have never seen the films, as a sign of a sci-fi fight.