2 Thessalonians 1:7
and to you the distressed rest with us, when the Lord Jesus shall be manifested from heaven, with the angels of his might,
Revelation 16:14-16
for they are the spirits of demons, working signs, which go forth to the kings of the whole world, to gather them to the battle of that great day of God l Almighty.
Revelation 19:14
And the armies which are in heaven followed him upon white horses, clothed in fine linen, white and pure.
Revelation 19:19-20
And I saw the beast, and the kings of the earth, and their armies, gathered together to make war against him who sat on the horse, and against his army.
Revelation 20:8-9
and will go out to deceive the nations which 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.