'Sword' in the Bible

Why has the Lord brought us into this land only to be killed by the sword, that our wives and our children should become plunder? Wouldn't it be better for us to return to Egypt?"

For the Amalekites and the Canaanites are there before you, and you will fall by the sword. Because you have turned away from the Lord, the Lord will not be with you."

And whoever touches the body of someone killed with a sword in the open fields, or the body of someone who died of natural causes, or a human bone, or a grave, will be unclean seven days.

But Edom said to him, "You will not pass through me, or I will come out against you with the sword."

And the donkey saw the angel of the Lord standing in the road with his sword drawn in his hand, so the donkey turned aside from the road and went into the field. But Balaam beat the donkey, to make her turn back to the road.

And Balaam said to the donkey, "You have made me look stupid; I wish there were a sword in my hand, for I would kill you right now."

Then the Lord opened Balaam's eyes, and he saw the angel of the Lord standing in the way with his sword drawn in his hand; so he bowed his head and threw himself down with his face to the ground.

They killed the kings of Midian in addition to those slain -- Evi, Rekem, Zur, Hur, and Reba -- five Midianite kings. They also killed Balaam son of Beor with the sword.