Revelation 15:3; Revelation 16:12

3 And they sang the song of Moses, the bond-servant of God, and the song of the Lamb, saying, " Great and marvelous are Your works, O Lord God, the Almighty; Righteous and true are Your ways, King of the nations!

12 The sixth angel poured out his bowl on the great river, the Euphrates; and its water was dried up, so that the way would be prepared for the kings from the east .