tbf Pratchett was blatantly mocking the heroic arc with that, and the series opens with The Colour of Magic which is basically the Hitchikers Guide to the Discworld in which Rincewind completely fails to avoid having a lot of adventures and actually ends up falling off the edge of the world: the resemblance to Adam's creation surely isn't accidental. Pratchett said Rincewind's narrative role was "to meet more interesting people"