The list of spiritual threats possibly resulting in demonic tormenting presented below is not exhaustive and contains the most common of contemporary practices. It was constructed based on the knowledge of the Church (the Roman Ritual), exorcist priests books and testimonies of people freed from the evil spirits actions.

For easier reference, it was divided into several parts. Some sections are split into active (relating to evil practices undertaken by oneself) and passive (relating to effects of situations, in which the person in question is a passive participant, or the evil acts on other people) parts. This division is to an extent arbitrary, e.g voodoo joins idolatry with spiritism.

Generally, the cause of demonic interference into man is the conscious and voluntary remaining in the state of mortal sin. It might be:

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