Revelation 16:12

12Then 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 coming of] the kings from 16:12 Lit the rising sun. Using this phrase, or just the rising, was the ancient way of referring to the east. A dry Euphrates would enable massive armies to travel quickly from the region of Iraq (Babylonia) to territory north of Israel (Syria) in preparation for the battle at Har-Magedon (v 16).the east. [Is 11:15, 16]