. "A demon, daemon (from Koine Greek \u03B4\u03B1\u03B9\u03BC\u03CC\u03BD\u03B9\u03BF\u03BD daimonion), or fiend is a supernatural, often malevolent being prevalent in religion, occultism, literature, fiction, mythology and folklore."@en . . . . . . . . . . .