Revelation 16:4-7
4Then the third angel poured out his bowl into the arivers and the springs of waters, and they bbecame blood. 5And I heard the angel of the waters saying, “aRighteous are You, bwho is and who was, O cHoly One, because You djudged these things; 6for they poured out athe blood of saints and prophets, and You have given them bblood to drink. They 1deserve it.” 7And I heard athe altar saying, “Yes, O 1,bLord God, the Almighty, ctrue and righteous are Your judgments.”