Go and attack the Amalekites and exterminate all of them. Don't spare anyone, but kill every man, woman, child, and baby; every ox, sheep, camel, and donkey.”
The Lord told Moses, “Write all this down on a scroll as a reminder and read it out loud to Joshua, because I'm going to completely wipe out the Amalekites so nobody on earth will remember them.”
You must not bow down before them or worship them; for I am the Lord your God and I am passionately exclusive. I lay the consequences of the sin of those who hate me on their sons, grandsons, and great-grandsons;
Balaam turned his attention to the Amalekites and gave this declaration about them, saying, “Amalek was first among the nations, but they will end up being destroyed.”
He captured it and its king and all the towns nearby. Joshua had all the inhabitants killed, leaving no survivors. Just as he had done in Hebron, he set it apart and completely destroyed it and everyone in it. He killed the king of Debir just as he had killed the king of Libnah.
Saul and his army spared Agag, together with the best sheep and cattle, the fat calves and lambs, and everything else that was any good. They didn't want to destroy those, but they completely destroyed all that was unwanted and worthless.
When David attacked a place, he did not leave anybody alive. He took the flocks and herds, the donkeys, camels, and clothing. Then he would go back to Achish.