Demoniac used in a sentence

Demoniac in a sentence as a noun

From the Gita: The demoniac person thinks: "So much wealth do I have today, and I will gain more according to my schemes. So much is mine now, and it will increase in the future, more and more.

Or maybe I'm an anonymous demoniac in denial.

Demoniac in a sentence as an adjective

It was not, he declares, anything connected with the cubes and caves of those echoing, vaporous, wormily-honeycombed mountains of madness which we crossed; but a single fantastic, demoniac glimpse, among the churning zenith-clouds, of what lay back of those other violet westward mountains which the Old Ones had shunned and feared. It is very probable that the thing was a sheer delusion born of the previous stresses we had passed through, and of the actual though unrecognized mirage of the dead transmontane city experienced near Lake's camp the day before; but it was so real to Danforth that he suffers from it still.