Wiktionary
n. A chief demon; an archdevil.
Wikipedia
In some Occult and similar writings, an archdemon (also spelled archdaemon) is a spiritual entity, prominent in the infernal hierarchy as a leader of the infernal host. Essentially, the archdemons are the evil counterparts of the archangels.
Usage examples of "archdemon".
Images of Ardneh as a rule-this one was no exception were almost always at least partially abstract, in keeping with the idea that the eternal foe of the archdemon Orcus was essentially different from all other gods.
Images of Ardneh as a rule-this one was no exception were almost always at least partially abstract, in keeping with the idea that the eternal foe of the archdemon Orcus was essentially different from all other gods.
The archdemon was depicted in the guise of a full-armored warrior, lifting a spiky mace as if in heroic battle.
Uriel had given the seven systems target names coded after the seven archdemons mentioned in the Old Testament.
In the hierarchy of hell this put him far below the archdemons like Mammon, master of avarice, but far above the blue-collar demons like Arrrgg, who was responsible for leeching the styrofoam taste into take-out coffee.
Father Captain de Soya thought it a bit much, all this cabalistic numerology -- seven archangels, seven target systems, seven archdemons, seven deadly sins.