Leviathan's Kingdom: The Grace And Power Needed To Defeat The Leviathan Spirit:

The "leviathan spirit," or the "the spirit of leviathan" is one of many terms associated with a particular view of demonic oppression. By taking scriptural references to the leviathan and other creatures badly out of context, some people have invented entire mythology of unique demonic entities and attributed to them various nefarious deeds. This mythos is the basis of so-called deliverance ministries, which seek to exorcise those evil spirits. In some branches of the Charismatic movement, ...