Revelation 11:7

But, when they have finished their testimony, the Beast that ascends from the abyss will make war on them and conquer them and kill them,

Revelation 13:7

He was allowed to wage war on the saints and to conquer them, and given authority over every tribe and people and tongue and nation;

Revelation 13:11

Then I saw another Beast rising from the land; he had two horns like a lamb, but he spoke like a dragon.

Luke 13:32

"Go and tell that fox," he replied, "I cast out daemons and perform cures to-day and to-morrow, and on the third day I complete my task!

John 17:4

I have glorified thee on earth by accomplishing the work thou gavest me to do;

John 19:30

And when Jesus took the vinegar, he said, "It is finished," bowed his head, and gave up his spirit.

Acts 20:24

But then, I set no value on my own life as compared with the joy of finishing my course and fulfilling the commission I received from the Lord Jesus to attest the gospel of the grace of God.

2 Thessalonians 2:8-9

Then shall the Lawless One be revealed, whom the Lord Jesus will destroy with the breath of his lips and quell by his appearing and arrival ??9 that One whose arrival is due to Satan's activity, with the full power, the miracles and portents, of falsehood,

2 Timothy 4:7

I have fought in the good fight; I have run my course; I have kept the faith.

Revelation 9:1-2

The fifth angel blew, and I saw a Star which had dropped from heaven to earth; he was given the key of the pit of the abyss,

Revelation 11:3

But I will allow my two witnesses to prophesy for twelve hundred and sixty days, clad in sackcloth

Revelation 13:1-4

Then I stood on the sand of the sea, and I saw a Beast rising out of the sea with ten horns and seven heads, ten diadems on his horns, and blasphemous titles on his heads.

Revelation 13:16-17

and he obliges all men, low and high, rich and poor, freemen and slaves alike, to have a mark put upon their right hand or their forehead,

Revelation 17:6-8

Then I saw that the woman was drunk with the blood of the saints and the blood of the witnesses of Jesus; and as I looked at her I marvelled greatly.

Revelation 19:19-20

And I saw the Beast and the kings of earth and their troops mustered to wage war on him who was seated on the horse and on his troops.

Treasury of Scripture Knowledge

Summary

And when they shall have finished their testimony, the beast that ascendeth out of the bottomless pit shall make war against them, and shall overcome them, and kill them.

Bible References

When

Revelation 11:3
But I will allow my two witnesses to prophesy for twelve hundred and sixty days, clad in sackcloth
Luke 13:32
"Go and tell that fox," he replied, "I cast out daemons and perform cures to-day and to-morrow, and on the third day I complete my task!
John 17:4
I have glorified thee on earth by accomplishing the work thou gavest me to do;
John 19:30
And when Jesus took the vinegar, he said, "It is finished," bowed his head, and gave up his spirit.
Acts 20:24
But then, I set no value on my own life as compared with the joy of finishing my course and fulfilling the commission I received from the Lord Jesus to attest the gospel of the grace of God.
2 Timothy 4:7
I have fought in the good fight; I have run my course; I have kept the faith.

The beast

Revelation 13:1
Then I stood on the sand of the sea, and I saw a Beast rising out of the sea with ten horns and seven heads, ten diadems on his horns, and blasphemous titles on his heads.
Revelation 17:6
Then I saw that the woman was drunk with the blood of the saints and the blood of the witnesses of Jesus; and as I looked at her I marvelled greatly.
Revelation 19:19
And I saw the Beast and the kings of earth and their troops mustered to wage war on him who was seated on the horse and on his troops.
2 Thessalonians 2:8
Then shall the Lawless One be revealed, whom the Lord Jesus will destroy with the breath of his lips and quell by his appearing and arrival ??9 that One whose arrival is due to Satan's activity, with the full power, the miracles and portents, of falsehood,

Out

Revelation 9:2
and he opened the pit of the abyss, and smoke poured out of the pit, like the smoke of a huge furnace, till the sun and the air were darkened by the smoke from the pit.