גַּם־בָּבֶ֕ל לִנְפֹּ֖ל חַֽלְלֵ֣י יִשְׂרָאֵ֑ל גַּם־לְבָבֶ֥ל נָפְל֖וּ חַֽלְלֵ֥י כָל־הָאָֽרֶץ׃
As Babylon hath caused the slain of Israel to fall, So at Babylon shall fall the slain of all the land.
Read kabbalistic (mystical) interpretation of Jeremiah 51:49: and classical mystical sources.