Albert Barnes Commentary Jeremiah 51:56

"for the destroyer is come upon her, even upon Babylon, and her mighty men are taken, their bows are broken in pieces; for Jehovah is a God of recompenses, he will surely requite." — Jeremiah 51:56 (ASV)

Every one ... - Or, Their bows are broken, for Yahweh is a God of recompenses; He will certainly requite.