This article is about conceptions of evil spirits from around the world.
For the semi-divine beings in classical mythology, see Daemon (classical mythology). A demon is a supernatural and often malevolent being prevalent in religion, occultism, literature, fiction, mythology and folklore.
The original Greek word daimon does not carry negative connotations.
The Greek conception of a daimōn notably appears in the works of Plato, where it describes the divine inspiration of Socrates.
In Ancient Near Eastern religions and in the Abrahamic traditions, including ancient and medieval Christian demonology, a demon is considered a harmful spiritual entity which may cause demonic possession, calling for an exorcism.
In Western occultism and Renaissance magic, which grew out of an amalgamation of Greco-Roman magic, Jewish Aggadah and Christian demonology, The Greek conception of a daimōn notably appears in the works of Plato, where it describes the divine inspiration of Socrates.
To distinguish the classical Greek concept from its later Christian interpretation, the former is anglicized as either daemon or daimon rather than demon.
Eudaimonia, (literally good-spiritedness) means happiness. By the early Roman Empire, cult statues were seen, by pagans and their Christian neighbors alike, as inhabited by the numinous presence of the gods: "Like pagans, Christians still sensed and saw the gods and their power, and as something, they had to assume, lay behind it, by an easy traditional shift of opinion they turned these pagan daimones into malevolent 'demons', the troupe of Satan.....
Far into the Byzantine period Christians eyed their cities' old pagan statuary as a seat of the demons' presence.
It was no longer beautiful, it was infested." The term had first acquired its negative connotations in the Septuagint translation of the Hebrew Bible into Greek, which drew on the mythology of ancient Semitic religions.
This was then inherited by the Koine text of the New Testament.
The Western medieval and neo-medieval conception of a demon The supposed existence of demons remains an important concept in many modern religions and occultist traditions.