13 Therefore take up the whole armor of God, that you may be able to withstand in the evil day, and having done all, to stand firm.
Matthew 24
6 And you will hear of wars and rumors of wars. See that you are not alarmed, for this must take place, but the end is not yet.7 For nation will rise against nation, and kingdom against kingdom, and there will be famines and earthquakes in various places.
Revelation 16
14 For they are demonic spirits, performing signs, who go abroad to the kings of the whole world, to assemble them for battle on the great day of God the Almighty.
Revelation 16
16 And they assembled them at the place that in Hebrew is called Armageddon.