“ A world where there is a finite amount of magic present in the world, and it's almost used up. With the winds of magic being weak and unstable, how will nations built on the heavy use of magic survive?”
“ In a miltaristic nation, the ownership of proper (improvised don't count) weapons and armor is mandatory for all citizens under penalty of inprisonment or death.”
“ The player characters, experienced and somewhat well known, hear rumors and travelers' tales about a distant area being overrun by dragons (or other terrifying monstrosities). The locals have sent them a message, begging for heroic aid.
When they investigate, they discover that nothing of the sort is going on. It turns out that a group of thieves wanted them out of the way so that they could rob them (or someone who would normally receive their protection).”