2 Thessalonians 1:7
and to you who are troubled, rest with us, at the revelation of the Lord Jesus Christ from heaven with his mighty angels,
Revelation 16:14-16
For they are the spirits of demons doing wonders, which go forth unto the kings of the earth, and of the whole habitable globe, to gather them together unto the battle of that great day of God Almighty.
Revelation 19:14
And the hosts which are in heaven followed him on white horses, clothed in fine linen, white and clean.
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 that was sitting upon the horse, and with his army.
Revelation 20:8-9
and he shall go forth to deceive the nations that are in the four corners of the earth, Gog, and Magog, to gather them together to battle, whose number is as the sand of the sea.