Revelation 16:14-17

14They are demonic spirits who work miracles and go out to all the rulers of the world to gather them for battle against the Lord on that great judgment day of God the Almighty.

15“Look, I will come as unexpectedly as a thief! Blessed are all who are watching for me, who keep their clothing ready so they will not have to walk around naked and ashamed.”

16And the demonic spirits gathered all the rulers and their armies to a place with the Hebrew name Armageddon.

17Then the seventh angel poured out his bowl into the air. And a mighty shout came from the throne in the Temple, saying, “It is finished!”