Fallen angels are angels who were expelled from Heaven. The literal term "fallen angel" does not appear in any Abrahamic religious texts, but is used to describe angels cast out of heaven. Such angels
Fountain of the Fallen Angel (1877), by Ricardo Bellver. Retiro Park, Madrid.
Chester Beatty XII, Greek manuscript of the Book of Enoch, 4th century
The Fall of the Rebel Angels (Apocryphal) (c. 1250), by William de Brailes. God sits on a throne within a mandorla. The rebelling angels are depicted as falling out of heaven and into a hell, in the shape of a mouth. As they fall, the angels become demons.
Michael casts out rebel angels. Illustration by Gustave Doré for John Milton's Paradise Lost (1866)
A watcher is a type of biblical angel. The word is related to the root meaning to be awake. It occurs in both plural and singular forms in the Book of Daniel, where reference is made to the holiness o
Fallen angel
…it most likely that the Jewish tradition of fallen angels predates, even in written form, the composition of Gen 6:1–4. In the Book of Enoch, these Watchers "fell" after they became "enamored" with human women. The Second Book of Enoch (Slavonic Enoch) refers to the same beings of the (First) Book of Enoch…
Watching angel on the spire of St Michael's church, Clifton Hampden, Oxfordshire, England