All spell casters gain their abilities through a form of demon possession. So in order to gain magical abilites, PCs must track down and trap demons. Of course there are some pretty powerful demons, if the demon is stronger than the PC, the PC could find themselves subjugated to the Demon's will.
In a new town for the first time, the White Raccoon Lodge looks like a comfortable place to spend the night. The owner, however, makes sure to explain to you that there is a curfew after sundown and the door will be locked... from the outside. "We don't want anyone being caught out on the streets after dark," he says.
Now that you think of it, all the doors in this small town did have a crossbar on the outside rather than the inside... You wonder what goes on at night...