Ephesians 6:13-14
Take therefore the whole armor of God, that you may be able to resist in the evil day, and having done all to stand.
1 Thessalonians 5:2
for you yourselves know perfectly that the day of the Lord comes like a thief in the night.
2 Peter 3:10
But the day of the Lord will come as a thief, in which the heavens shall pass away with a crash, and the elements be melted with heat, and the earth and the works in it be consumed.
Revelation 6:17
for the great day of his wrath has come, and who can stand?
Revelation 20:8-9
and go forth to deceive the nations which are in the four quarters of the earth, the Gog and the Magog [the king and the people], and to assemble them together to battle, whose number is as the sand of the sea.