Bible Verses About Purification: For those who have slain in battle

Pitch your tents outside the camp for seven days. Whoever has killed a person or touched the corpse of someone slain, purify yourselves on the third and seventh days, you and your captives.

Also purify every garment, whether of skin or goat's hair, and everything made of wood."

El'azar the cohen said to the soldiers who had gone to the front, "This is the regulation from the Torah which ADONAI has ordered Moshe.

Even though gold, silver, brass, iron, tin and lead

can all withstand fire, so that you are indeed to purify everything made of these materials by having them pass through fire; nevertheless they must also be purified with the water for purification. Everything that can't withstand fire you are to have go through the water.

On the seventh day you are to wash your clothes, and you will be clean; after that you may enter the camp."