Metaphorical use of the sword

Genesis 3:24 ESV

He drove out the man, and at the east of the garden of Eden he placed the cherubim and a flaming sword that turned every way to guard the way to the tree of life.

Numbers 22:21–23 ESV

So Balaam rose in the morning and saddled his donkey and went with the princes of Moab. But God’s anger was kindled because he went, and the angel of the Lord took his stand in the way as his adversary. Now he was riding on the donkey, and his two servants were with him. And the donkey saw the angel of the Lord standing in the road, with a drawn sword in his hand. And the donkey turned aside out of the road and went into the field. And Balaam struck the donkey, to turn her into the road.

Numbers 22:31 ESV

Then the Lord opened the eyes of Balaam, and he saw the angel of the Lord standing in the way, with his drawn sword in his hand. And he bowed down and fell on his face.

Deuteronomy 33:29 ESV

Happy are you, O Israel! Who is like you, a people saved by the Lord, the shield of your help, and the sword of your triumph! Your enemies shall come fawning to you, and you shall tread upon their backs.”