Archfiend

Of those [spirits] who rebelled some became devils, fiends or archfiends, according to the manifold proportions of their transgression.

Source: wiktionary

[…] he thought for a minute with a freezing detached almost amused calm of the dreadful night inevitably awaiting him whether he drank much more or not, his room shaking with daemonic orchestras […] the vicious shouting, the strumming, the slamming, the pounding, the battling with insolent archfiends, the avalanche breaking down the door, the proddings from under the bed, and always, outside, the cries, the wailing, the terrible music, the dark’s spinets:

Source: wiktionary

Seven chief demons, seven archfiends, aid Ahriman in his struggle against the forces of light.

Source: wiktionary

So stretcht out huge in length the Arch-fiend lay Chain’d on the burning Lake,

Source: wiktionary