The Origin of Demons and the Exorcists Manual The Origin of Demons By Chris Ward, D. Min. But the Lord destroyed them before them, and they dispossessed them and dwelt in their place. The souls of some men during the Golden Age.
Demons are the spiritual agents acting in all idolatry.
Demons are the fallen evil angels of the fourth world, that of action, the lowest regions of which constitute the seven infernal halls wherein the demons torture the poor mortals whom they betrayed into sin in this life. They do the tempting and they procreate. They have the ability to shape-shift and be a person, an animal, or dwell in an inanimate object. They are called the Mazzikim and are thought of as evil disembodied spirits. Another theory is that they are the third class of men that tried to build the tower of Babel.