Revelation 16:6

6 because they shed the blood of saints and prophets, you have given them blood to drink. It is what they deserve!"

Revelation 16:6 In-Context

4 The third angel poured his bowl into the rivers and the springs of water, and they became blood.
5 And I heard the angel of the waters say, "You are just, O Holy One, who are and were, for you have judged these things;
6 because they shed the blood of saints and prophets, you have given them blood to drink. It is what they deserve!"
7 And I heard the altar respond, "Yes, O Lord God, the Almighty, your judgments are true and just!"
8 The fourth angel poured his bowl on the sun, and it was allowed to scorch people with fire;
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.