Coming down out of heaven (katabainonta ek tou ouranou). As in Revelation 10:1 ; Revelation 18:1 . The key of the abyss (thn klein th abussou). As in Revelation 9:1 . A great chain (alusin megalhn). Paul wore a alusi (alpha privative and luw, to loose) in Rome ( 2 Timothy 1:16 ;, as did Peter in prison in Jerusalem ( Acts 12:6 ). In his hand (epi thn ceira autou). "Upon his hand," ready for use. See epi with the genitive in Acts 1:20 .