Revelation 16:10-12 King James Version (KJV)
10 And the fifth angel poured out his vial upon the seat of the beast; and his kingdom was full of darkness; and they gnawed their tongues for pain,
11 And blasphemed the God of heaven because of their pains and their sores, and repented not of their deeds.
12 And the sixth angel poured out his vial upon the great river Euphrates; and the water thereof was dried up, that the way of the kings of the east might be prepared.
Revelation 16:10-12 New International Version (NIV)
10 The fifth angel poured out his bowl on the throne of the beast, and its kingdom was plunged into darkness. People gnawed their tongues in agony 11 and cursed the God of heaven because of their pains and their sores, but they refused to repent of what they had done.
12 The sixth angel poured out his bowl on the great river Euphrates, and its water was dried up to prepare the way for the kings from the East.