2 Thessalonians 1:7
and to you who suffer tribulation, relief with us, at the revelation of the Lord Jesus from Heaven with the angels of His power, in flaming fire,
Revelation 16:14-16
for they are spirits of demons, working signs; which go forth unto the kings of the whole inhabited earth, to gather them together to the war of the great day of God, the Almighty.
Revelation 19:14
And the armies in Heaven were following Him on white horses, clothed in fine linen, white, pure.
Revelation 19:19-20
And I saw the beast, and the kings of the earth, and their armies, gathered together to make war with Him Who was sitting on the horse, and with His army.
Revelation 20:8-9
and will come forth to deceive the nations that are in the four corners of the earth, Gog and Magog, to gather them together to the war, the number of whom is as the sand of the sea.