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.”
And the third angel poured out his vial upon the rivers and fountains of waters; and they became blood.
And I heard the angel of the waters say, Thou art righteous, O Lord, which art, and wast, and shalt be, because thou hast judged thus.
For they have shed the blood of saints and prophets, and thou hast given them blood to drink; for they are worthy.
And I heard another out of the altar say, Even so, Lord God Almighty, true and righteous are thy judgments.
And the fourth angel poured out his vial upon the sun; and power was given unto him to scorch men with fire.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Related Verses
“And in her was found the blood of prophets, and of saints, and of all that were slain upon the earth.”
“And I saw the woman drunken with the blood of the saints, and with the blood of the martyrs of Jesus: and when I saw her, I wondered with great admiration.”
“And the nations were angry, and thy wrath is come, and the time of the dead, that they should be judged, and that thou shouldest give reward unto thy servants the prophets, and to the saints, and them that fear thy name, small and great; and shouldest destroy them which destroy the earth.”
“And they cried with a loud voice, saying, How long, O Lord, holy and true, dost thou not judge and avenge our blood on them that dwell on the earth?”
“And the third angel poured out his vial upon the rivers and fountains of waters; and they became blood.”