Black magick is the use of supernatural knowledge and powers for the purpose of doing evil or for working evil upon another human being. Practitioners of black magick deliberately seek to invoke demonic entities in order to control their powers and to force them to obey their will. Black magick is, therefore, a perversion of the mystical sciences. Rather than attempting to be of service to one's fellow humans as do the practitioners of white magick, the black magicians seek to gain control over supernatural forces for the sole purpose of personal aggrandizement, the glorification of their baser appetites, and the sowing of discord, discontent, and disease.
The desire to use supernatural entities to wreak havoc upon one's enemy or to acquire material wealth and power was in play during the time of the ancient Egyptians and Persians. The Greeks and Hebrews adapted many of the rituals and incantations, transforming the gods of the earlier cultures into the
The sorcerers of the Middle Ages who practiced black magick followed to the letter the instructions recorded in the Great Grimoires, books filled with rites, rituals, incantations, conjurations, and evocations of demonic entities. The deity most often invoked by the dark sorcerer of medieval times to the present day is Satanas, a direct descendant of the Egyptian Set and an alias for the Persians' Ahriman, the Muslims' Iblis, the Hebrews' Asmodeus and Beelzebub, and Pan, the goat-footed nature god of the Greeks, who became the image of Satan in the common mind. In addition to Satan, the master creator of evil, there were many other ancient gods who had been transformed into demons and personified as vices who could be ordered to do the bidding of the black magicians of the Middle Ages: Moloch, who devours children; Belial, who forments rebellion; Astarte and Astaroth, who seduce men and women into debauchery; Baphomet, who plots murders, and so on.