“ This hedonistic dragon,sets up camp in a cities alley exchanging his hot tasty breath weapon for strong drink.”
“ The apples of a certain tree, when allowed to dry on their own, all have the appearance of shriveled human skulls.”
“ The PCs are accosted in a major city containing at least one famous fortuneteller / prophet of the future. They are informed that their as-yet-unborn child will (insert terrible evil), and that, although they are very sorry, the PC must be executed to keep this from happening.”