Then I saw three unclean spirits like frogs coming out of the mouth of the dragon, out of the mouth of the beast, and out of the mouth of the false prophet.
In context
11and cursed the God of heaven because of their pain and their sores, and did not repent of their deeds. 12The 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. 13Then I saw three unclean spirits like frogs coming out of the mouth of the dragon, out of the mouth of the beast, and out of the mouth of the false prophet. 14They are demonic spirits performing signs, who go out to the kings of the whole world, to gather them for the battle of the great day of God, the Almighty. 15“Look, I am coming like a thief. Blessed is the one who stays awake and keeps his clothes on, so that he will not go around naked and be seen exposed.”