Revelation 16:14-16
These are demonic spirits that perform signs and go out to all the kings of the earth, to assemble them for battle on the great day of God the Almighty. / “Behold, I am coming like a thief. Blessed is the one who remains awake and clothed, so that he will not go naked and let his shame be exposed.” / And they assembled the kings in the place that in Hebrew is called Armageddon.

Revelation 19:17-21
Then I saw an angel standing in the sun, and he cried out in a loud voice to all the birds flying overhead, “Come, gather together for the great supper of God, / so that you may eat the flesh of kings and commanders and mighty men, of horses and riders, of everyone slave and free, small and great.” / Then I saw the beast and the kings of the earth with their armies assembled to wage war against the One seated on the horse, and against His army. ...

Isaiah 2:12
For the Day of the LORD of Hosts will come against all the proud and lofty, against all that is exalted—it will be humbled—

Joel 3:9-14
Proclaim this among the nations: “Prepare for war; rouse the mighty men; let all the men of war advance and attack! / Beat your plowshares into swords and your pruning hooks into spears. Let the weak say, ‘I am strong!’ / Come quickly, all you surrounding nations, and gather yourselves. Bring down Your mighty ones, O LORD. ...

Zephaniah 1:14-18
The great Day of the LORD is near—near and coming quickly. Listen, the Day of the LORD! Then the cry of the mighty will be bitter. / That day will be a day of wrath, a day of trouble and distress, a day of destruction and desolation, a day of darkness and gloom, a day of clouds and blackness, / a day of horn blast and battle cry against the fortified cities, and against the high corner towers. ...

Isaiah 34:1-8
Come near, O nations, to listen; pay attention, O peoples. Let the earth hear, and all that fills it, the world and all that springs from it. / The LORD is angry with all the nations and furious with all their armies. He will devote them to destruction; He will give them over to slaughter. / Their slain will be left unburied, and the stench of their corpses will rise; the mountains will flow with their blood. ...

Jeremiah 25:31-33
The tumult will resound to the ends of the earth because the LORD brings a charge against the nations. He brings judgment on all mankind and puts the wicked to the sword,’” declares the LORD. / This is what the LORD of Hosts says: “Behold! Disaster is spreading from nation to nation; a mighty storm is rising from the ends of the earth.” / Those slain by the LORD on that day will be spread from one end of the earth to the other. They will not be mourned, gathered, or buried. They will be like dung lying on the ground.

Zechariah 14:1-3
Behold, a day of the LORD is coming when your plunder will be divided in your presence. / For I will gather all the nations for battle against Jerusalem, and the city will be captured, the houses looted, and the women ravished. Half of the city will go into exile, but the rest of the people will not be removed from the city. / Then the LORD will go out to fight against those nations, as He fights in the day of battle.

Revelation 20:8-9
and will go out to deceive the nations in the four corners of the earth—Gog and Magog—to assemble them for battle. Their number is like the sand of the seashore. / And they marched across the broad expanse of the earth and surrounded the camp of the saints and the beloved city. But fire came down from heaven and consumed them.

Isaiah 13:6-9
Wail, for the Day of the LORD is near; it will come as destruction from the Almighty. / Therefore all hands will fall limp, and every man’s heart will melt. / Terror, pain, and anguish will seize them; they will writhe like a woman in labor. They will look at one another, their faces flushed with fear. ...

Matthew 24:30-31
At that time the sign of the Son of Man will appear in heaven, and all the tribes of the earth will mourn. They will see the Son of Man coming on the clouds of heaven with power and great glory. / And He will send out His angels with a loud trumpet call, and they will gather His elect from the four winds, from one end of the heavens to the other.

2 Thessalonians 1:7-10
and to grant relief to you who are oppressed and to us as well. This will take place when the Lord Jesus is revealed from heaven with His mighty angels / in blazing fire, inflicting vengeance on those who do not know God and do not obey the gospel of our Lord Jesus. / They will suffer the penalty of eternal destruction, separated from the presence of the Lord and the glory of His might, ...

Isaiah 66:15-16
For behold, the LORD will come with fire—His chariots are like a whirlwind—to execute His anger with fury and His rebuke with flames of fire. / For by fire and by His sword, the LORD will execute judgment on all flesh, and many will be slain by the LORD.

Daniel 12:1
“At that time Michael, the great prince who stands watch over your people, will rise up. There will be a time of distress, the likes of which will not have occurred from the beginning of nations until that time. But at that time your people—everyone whose name is found written in the book—will be delivered.

1 Thessalonians 5:2-3
For you are fully aware that the Day of the Lord will come like a thief in the night. / While people are saying, “Peace and security,” destruction will come upon them suddenly, like labor pains on a pregnant woman, and they will not escape.