Isaiah 34:6 in the King James Version
The sword of the LORD is filled with blood, it is made fat with fatness, and with the blood of lambs and goats, with the fat of the kidneys of rams: for the LORD hath a sacrifice in Bozrah, and a great slaughter in the land of Idumea.
Context
5 For my sword has drunk its fill in the sky. Behold, it will come down on Edom, and on the people of my curse, for judgment.
6 The LORD’s sword is filled with blood. It is covered with fat, with the blood of lambs and goats, with the fat of the kidneys of rams; for the LORD has a sacrifice in Bozrah, and a great slaughter in the land of Edom.
7 The wild oxen will come down with them, and the young bulls with the mighty bulls; and their land will be drunken with blood, and their dust made greasy with fat.