A wrote up a dybbuk (a Jewish possessing spirit/ghost) for my own campaign and figured folks might find it useful for their own games.
The dybbuk of Jewish folklore is a cruel possessing spirit that is the soul of someone who has not gone on to its afterlife or who is refusing to be reincarnating. They typically haunt their families but this is not always the case. Ousting a dybbuk usually requires a rabi or holy person who effectively ...