2 Thessalonians 1:6
seeing it is a righteous thing with God to recompense tribulation to them that trouble you;
Matthew 7:2
For with the same judgment ye judge others, shall ye be judged: and with the measure ye mete, shall it be measured to you again.
James 2:13
For judgment without mercy shall be on him who shewed no mercy, and mercy glorieth against judgment.
Revelation 13:10
If any person leads [others] into captivity, he shall be led into captivity; if any person kills with the sword, he must be slain by the sword. Here is the patience and the faith of the saints.
Revelation 16:6
For they have shed the blood of saints and prophets, and thou hast given them blood to drink; for they are worthy.
Revelation 19:2
because true and righteous are his judgments; for he hath judged the great harlot, that corrupted the earth with her whoredom, and hath avenged the blood of his servants shed by her hand.