demonism

[…] if he believes more of the prevalency of an ill designing Principle than of a good one, he is then more a Daemonist than he is a Theist, and may be called a Daemonist from the side to which the balance most inclines. ¶ All these sorts both of Daemonism, Polytheism, Atheism, and Theism, may be mixed […]

What a pitiful horror indeed must that Ypres desolation and desecration be—a baseness of demonism.

All that most maddens and torments; all that stirs up the lees of things; all truth with malice in it; all that cracks the sinews and cakes the brain; all the subtle demonisms of life and thought; all evil, to crazy Ahab, were visibly personified, and made practically assailable in Moby Dick.