A dragonslayer is a person or being that slays dragons. Dragonslayers and the creatures they hunt have been popular in traditional stories from around the world: they are a type of story classified as type 300 in the Aarne–Thompson classification system. They continue to be popular in modern books, films, video-games and other entertainments. Dragonslayer-themed stories are also sometimes seen as having a chaoskampf theme - in which a heroic figure struggles against a monster that epitomises chaos.