The Golem Wars are over now. There is a great peace around the world, but something evil and powerfull has been awakened in the darkness.
A PC awakes in a cell plastered with blood. On the floor lies a crucifix necklace. She escapes, chased by the guards and soon the terrible truth of her situation dawns on her…
The heroes find a small crypt somewhere and being brave adventurers they want to check it for evil forces (=graverobbing). Or for any other reason.
In a village the characters hear rumors of a man that recently came through screaming of demon attacks and murderous insects.
Historicly, we have had plenty of rl groups like the Taliban and the Puritans who supressed anything which was in any way fun. What if there was some group that was the opposite? (which in time would cause problems of it's own for the civilians under their control.)