This podcast explains the meaning and identity of the king of the Bottomless pit in Revelation 9:11, whom John identifies as Abaddon in Hebrew and Apollyon in Greek. John's description of this "king" as the "angel of the bottomless pit" could refer to either, or both, the unembodied spirit of Satan or the disembodied spirit of Cain, who succeeded to the power of Satan when he became perdition in mortality and then entered the postmortal spirit world with the title of Master Mahan.