Azazel

Azazel is a demon or evil spirit in Jewish legends and a fallen angel in Christian and Islamic traditions:  Yom Kippur In the ancient Jewish ritual of Yom Kippur, a scapegoat was sent to Azazel to carry the sins of the Jewish people. The high priest would symbolically transfer the sins to the goat, then drive it into the wilderness and cast it to its death.  Fallen angel In the Book of Enoch, Azazel is described as a fallen angel who taught humans how to make weapons and ornaments and introduced them to forbidden knowledge.