Isaiah 49:26 in the King James Version
And I will feed them that oppress thee with their own flesh; and they shall be drunken with their own blood, as with sweet wine: and all flesh shall know that I the LORD am thy Saviour and thy Redeemer, the mighty One of Jacob.
Context
25 But the LORD says, “Even the captives of the mighty shall be taken away, and the plunder retrieved from the fierce, for I will contend with him who contends with you and I will save your children.
26 I will feed those who oppress you with their own flesh; and they will be drunk on their own blood, as with sweet wine. Then all flesh shall know that I, the LORD, am your Savior and your Redeemer, the Mighty One of Jacob.”