Christian demonology is the study of demons from a Christian point of view. It is primarily based on the Bible (Old and New Testaments), the interpretation of these scriptures, the writings of early Christianity philosophers, hermits and the associated traditions and legends incorporated from other beliefs. DemonologyFallen angel and Nephilim In some Christian traditions, the deities of other religions are interpreted as demons. Paul states this explicitly in 1 Corinthians 10, forbidding idolatrous libations. The evolution of the Devil in Christianity is such an example of early ritual and imagery that showcase evil qualities, as seen by the Christian churches. Since Early Christianity, demonology has developed from a simple acceptance of the existence of demons to a complex study that has grown from the original ideas taken from Jewish demonology and Christian scriptures. Christian demonology is studied in depth within the Roman Catholic Church, although many other Christian churches affirm and discuss the existence of demons. The Catholic Encyclopedia, referring to the many false beliefs and erroneous teachings on the subject, says of demonology, "A daemonibus docetur, de daemonibus docet, et ad daemones ducit" ("It is taught by the demons, it teaches about the demons, and it leads to the demons"). According to the Book of Enoch (which is currently only canonical in the Eritrean and Ethiopian Orthodox Churches but was referred to by the early Church fathers), the disembodied spirits of the Nephilim are demons. Enoch explains: And now, the giants, who are produced from the spirits (Angels) and flesh, shall be called evil spirits upon the earth, and on the earth shall be their dwelling. Evil spirits have proceeded from their bodies; because they are born from men and from the holy Watchers is their beginning and primal origin; they shall be evil spirits on earth, and evil spirits shall they be called. [As for the spirits of heaven, in heaven shall be their dwelling, but as for the spirits of the earth which were born upon the earth, on the earth shall be their dwelling.