“ In a warrior based society, when you make a threat of violence or death towards another, you had better be prepared to back it up with your weapons. Because this is considered an implied challenge to combat and should the person who you threatened call you out on it, it constitutes as accepting this challenge. Trying to back out at this point is considered cowardice and results in being disgraced.”
“ There are more ways than one to encounter a dragon. With a low level group it's obviously not feasible to meet one in its lair and fight it. But standing on a bleak moorland, utterly exposed and vulnerable, it can be a chilling experience to see something flying far far overhead. Something that could just be an eagle, but you never know...”
“ 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.”