Identifying demonic contact during a séance or instrumental transcommunication session

During a Ouija board session, demons can often be detected by mischievous behavior, inconsistent answers, or clear lies. Usually, when starting a Ouija board session, you call out to any spirits that might be present, "Is there anybody there?" After a while, you should see the planchette move across the board, hopefully towards "yes", but sometimes it moves to "no." This is said to be a strong indication that you've encountered a demon. Another sign is when you ask a spirit its age and the planchette moves to the number zero on the board. There may also be cases where a demon simply introduces itself as such on the board.

It's not just Ouija boards through which demons make their presence known, but through all forms of spirit communications, especially forms of instrumental transcommunication (ITC), a common set of techniques used to...