John’s use of dualism extends throughout the book of Revelation. David deSilva comments, “John’s cosmos is a universe of stark alternatives. At every level of existence, there are two camps, and John has ‘constructed his narrative world in such a way as to emphasize the mutual exclusivity of the two realms.’ ”1 John’s use of dualism is of vital importance to understanding the book of Revelation. The failure to understand how John has used a dualistic framework leads