Ezekiel 30:6
Thus saith the Lord; They also that uphold Egypt shall fall; and the pride of her power shall come down: from the tower of Syene shall they fall in it by the sword, saith the Lord God.
Cross-reference
Ezekiel 30:8 specifies that Egypt's helpers are broken when fire is set—the same 'supporters' from verse 6.
Ezekiel 30:9 shows the judgment spreading to terrify Ethiopia, an ally—expanding the fall of Egypt's supporters.
Ezekiel 29:10 uses the same geographic phrase 'from Migdol to Syene' for Egypt's judgment, directly reinforcing this oracle.
Ezekiel 31:17 describes Assyria's allies also descending to Sheol—a similar pattern of supporters falling with the ruler.
Isaiah 31:3 echoes that Egypt's help is futile—both helper and helped fall together when God acts.
Leviticus 26:19 uses 'break the pride of your power'—the same idiom applied here to Egypt's proud might.
Isaiah 20:3 describes a prophetic sign against Egypt and Cush, reinforcing the theme of divine judgment on Egypt.