2 Thessalonians 1:7
and to you who are troubled, rest with us, in the revelation of the Lord Jesus from heaven with the angels of his power
Revelation 16:14-16
for these are the spirits of demons, working miracles, which go forth to the kings of the whole earth, to lead them together into the war of the great day of God Almighty.
Revelation 19:14
Armies in the heaven follow him on white horses, clothed in linen, white and clean.
Revelation 19:19-20
And I saw the beast, and the kings of the earth, and their armies, assembled to make war with the one sitting on the horse, and with his army.
Revelation 20:8-9
and he will go forth 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 them being as the sand of the sea.