'Vengeance' in the Bible

For those are the days of vengeance and of fulfilling all that is written.

He will come in flames of fire to take vengeance on those who have no knowledge of God, and do not obey the Good News as to Jesus, our Lord.

For we know who it is that has said, "Vengeance belongs to Me: I will pay back;" and again, "The Lord will be His people's judge."

And now in loud voices they cried out, saying, "How long, O Sovereign Lord, the holy One and the true, dost Thou delay judgment and the taking of vengeance upon the inhabitants of the earth for our blood?"

And I heard the angel of the waters say, "Righteous art Thou, who art and wast, the holy One, because Thou hast thus taken vengeance.

Rejoice over her, O Heaven, and you saints and Apostles and Prophets; for God has taken vengeance upon her because of you."

True and just are His judgments, because He has judged the great Harlot who was corrupting the whole earth with her fornication, and He has taken vengeance for the blood of His bondservants which her hands have shed."