Let's start by defining some terms. An Evil Spirit is some sort of ghost, or demon or nebulous force of evil. They cannot be permanently defeated or destroyed, but can be Bound, which sharply limits their ability to cause harm. Binding an evil spirit requires identifying their current Vessel and subduing it. For each kind of vessel, there is a particular Binding that will trap the evil within. This process is complicated by the fact that the evil spirit will use its various supernatural powe...
