Revelation 16:11-13 Revised Geneva Translation (RGT)
11 And blasphemed the God of Heaven for their pains, and for their sores, and did not repent of their works.
12 And the sixth angel poured out his vial upon the great river Euphrates. And the water thereof dried up, so the way of the Kings of the East would be prepared.
13 And I saw three unclean spirits, like frogs, come out of the mouth of the dragon, and out of the mouth of the beast, and out of the mouth of the false prophet.