Revelation 20:1

1 20:1 The Greek words for “And I saw” are used seven times in chs 19 through 21 to indicate a progression at the end of time from the marriage supper of the Lamb to the millennium to the new heaven and new earth.And then I saw an angel descending from heaven, holding the key of the abyss (the bottomless pit) and a great chain was in his hand.