Excerpts from The Encyclopedia of Demons and Demonology:
The daimones were both good and evil and even included deified heroes.
In most cultures, demons are troublesome rather than helpful; some are evil. In Christianity, all demons are evil and serve Satan for the purpose of subverting souls. Demons can cause unpleasant hauntings, often involving infestation, opression and possession. The study of demons is called demonology. Like angels, demons are numberless.
Hierarchy of demons listed in the Book of Sacred Magic of Abramelin the Mage.
The Chief Spirits
The Eight Sub-Princes
Known demons by mythologyEdit
Even though some of the following entities do not fit the usual description of a demon, they have been referred to as such in their respective mythology.
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