“So they defeated him and his sons and all his people, until he had no survivor left. And they possessed his land.”
So they defeated: with the edge of the sword.
“And Israel defeated him with the edge of the sword and took possession of his land from the Arnon to the Jabbok, as far as to the Ammonites, for the border of the Ammonites was strong.”
Edge H6310: From פָּאָה H6284; the mouth (as the means of blowing), whether literally or figuratively (particularly speech); specifically edge, portion or side ; adverbially (with preposition) according to: - accord (-ing as, -ing to), after, appointment, assent, collar, command (-ment), X eat, edge, end, entry, + file, hole, X in, mind, mouth, part, portion, X (should) say (-ing), sentence, skirt, sound, speech, X spoken, talk, tenor, X to, + two-edged, wish, word. H6284: A primitive root; to puff, that is, blow away: - scatter into corners.
“And when they bring you before the synagogues and the rulers and the authorities, do not be anxious about how you should defend yourself or what you should say, for the Holy Spirit will teach you in that very hour what you ought to say.”
“In his right hand he held seven stars, from his mouth came a sharp two-edged sword, and his face was like the sun shining in full strength.”
“He is clothed in a robe dipped in blood, and the name by which he is called is The Word of God.”
“For the word of God is living and active, sharper than any two-edged sword, piercing to the division of soul and of spirit, of joints and of marrow, and discerning the thoughts and intentions of the heart.”
“Let the high praises of God be in their throats and two-edged swords in their hands, to execute vengeance on the nations and punishments on the peoples, to bind their kings with chains and their nobles with fetters of iron, to execute on them the judgment written! This is honor for all his godly ones. Praise the LORD!”
“As he said these things, a woman in the crowd raised her voice and said to him, ‘Blessed is the womb that bore you, and the breasts at which you nursed!’ But he said, ‘Blessed rather are those who hear the word of God and keep it!’”
Him and his sons and all his people, until he had no survivor left.
“You will make them as a blazing oven when you appear. The LORD will swallow them up in his wrath, and fire will consume them. You will destroy their descendants from the earth, and their offspring from among the children of man.”
“Fear not, O Jacob my servant, declares the LORD, for I am with you. I will make a full end of all the nations to which I have driven you, but of you I will not make a full end. I will discipline you in just measure, and I will by no means leave you unpunished.”
And they possessed his land.
“Who is the man who fears the LORD? Him will he instruct in the way that he should choose. His soul shall abide in well-being, and his offspring shall inherit the land.”
“Wait for the LORD and keep his way, and he will exalt you to inherit the land; you will look on when the wicked are cut off.”