Revelation 18:6

Reward her even as she hath rewarded, and give her double according to her works; in the cup which she filled, fill to her double.

Matthew 7:2

ye shall be judged, and with what measure ye mete, it shall be measured to you.

Luke 21:22

For these are the days of vengeance, that all things which are written may be fulfilled.

Romans 3:5

But if our unrighteousness commend the righteousness of God, what shall we say? Is not God unjust, who taketh vengeance?

Romans 12:19

Dearly beloved, revenge not yourselves, but rather give place unto wrath: for it is written, Vengeance is mine; I will repay, saith the Lord.

2 Thessalonians 1:8

In flaming fire, taking vengeance on them who know not God, and who obey not the gospel of our Lord Jesus Christ.

James 2:13

For judgment without mercy shall be to him that shewed no mercy: mercy glorieth over judgment.

Revelation 16:6

For they have shed the blood of saints and prophets, and thou hast given them blood to drink. They are worthy.

Revelation 19:2

For true and righteous are his judgments: for he hath judged the great whore, who corrupted the earth with her fornication, and hath avenged the blood of his servants at her hand,

Treasury of Scripture Knowledge

Summary

Shout against her round about: she hath given her hand: her foundations are fallen, her walls are thrown down: for it is the vengeance of the LORD: take vengeance upon her; as she hath done, do unto her.

Bible References

For it

Luke 21:22
For these are the days of vengeance, that all things which are written may be fulfilled.
Romans 3:5
But if our unrighteousness commend the righteousness of God, what shall we say? Is not God unjust, who taketh vengeance?
Romans 12:19
Dearly beloved, revenge not yourselves, but rather give place unto wrath: for it is written, Vengeance is mine; I will repay, saith the Lord.
2 Thessalonians 1:8
In flaming fire, taking vengeance on them who know not God, and who obey not the gospel of our Lord Jesus Christ.

As she

Matthew 7:2
ye shall be judged, and with what measure ye mete, it shall be measured to you.
James 2:13
For judgment without mercy shall be to him that shewed no mercy: mercy glorieth over judgment.
Revelation 16:6
For they have shed the blood of saints and prophets, and thou hast given them blood to drink. They are worthy.
Revelation 18:6
Reward her even as she hath rewarded, and give her double according to her works; in the cup which she filled, fill to her double.
Revelation 19:2
For true and righteous are his judgments: for he hath judged the great whore, who corrupted the earth with her fornication, and hath avenged the blood of his servants at her hand,