Originally posted by Tangoblue:

Preps you for the Wraith is my guess (that thing has scared the crap out of me more than once). Plus, why not have ghosts? At the time you meet them you're still at a lower level so they can do some damage.

I don't mind them, but they seem underused and not very relevant at this moment. As long they're to stay in the game - don't they need something more?