"5And she brought forth a man child, who was to rule all nations with a rod of iron"
https://biblehub.com/kjv/revelation/12.htm
"15And out of his mouth goeth a sharp sword, that with it he should smite the nations: and he shall rule them with a rod of iron:"
https://biblehub.com/kjv/revelation/19.htm
"26And he that overcometh, and keepeth my works unto the end, to him will I give power over the nations: 27And he shall rule them with a rod of iron;"
https://biblehub.com/kjv/revelation/2.htm