What does the Bible say about the Archangel Michael? Michael commands God's army against Satan's forces in the Book of Revelation found in the New Testament. It is during the war in heaven Archangel Michael conquers Satan. After the battle, Satan is cast to earth with the fallen angels, where he, "that ancient serpent called the devil," continue their efforts to "lead the whole world astray". In the book of Jude, Michael is referred to as "the archangel Michael." Learn more about Michael the Archangel from our collection of Bible Verses below!