"Now the serpent was more crafty than any other beast of the field that the Lord God had made" (Genesis 3:1). Why does this talking serpent suddenly appear in the Genesis narrative? Drawing inspiration from Michael Heiser’s book The Unseen Realm, we dig into how ancient readers understood the concept of spiritual beings, how those beings are described in later passages of Scripture, and how these insights help us become more imaginative readers of the biblical story.