Description

Ghosts are also called many other things depending on their level of potency. From least to most they are in this order: spirit/ghost, poltergeist, specter, wraith. Ghosts are tied to the world by their remains and a sense of unfinished business. They must stay in proximity to their remains and the place they are haunting. There have been cases of ghosts possessing people and moving great distances from their remains. However when expelled they bounce back to their haunting.

Strengths:

Can disappear and reappear seemingly at will
Possibility of possessing people
Cannot be killed in their ghost form
Have the ability to kill while being corporeal themselves

Weaknesses:

Salt expels or slows them down
Iron slows them down
Cannot cross salt or iron
Only way to be killed is to salt and burn remains