Zephaniah 2:12
"Ye Ethiopians also, ye shall be slain by my sword."
Cross References (ranked by relevance)
Isaiah 43:3
For I am the LORD thy God, the Holy One of Israel, thy Saviour: I gave Egypt for thy ransom, Ethiopia and Seba for thee.
Isaiah 13:5
They come from a far country, from the end of heaven, even the LORD, and the weapons of his indignation, to destroy the whole land.
Psalm 17:13
Arise, O LORD, disappoint him, cast him down: deliver my soul from the wicked, which is thy sword:
Isaiah 10:5
O Assyrian, the rod of mine anger, and the staff in their hand is mine indignation.