Kenneth E. Hagin's newest book, The Triumphant Church: Dominion Over All the Powers of Darkness is a comprehensive biblical study on the subject of demonology. Rev. Hagin builds a thorough study from the Scriptures on the origins of Lucifer and how Satan became the god of this world. Rev. Hagin shows the difference between oppression, obsession, and possession and discusses various ways believers can give Satan access in their lives.