וַיְהִ֨י כַאֲשֶׁר־תַּ֜מּוּ כָּל־אַנְשֵׁ֧י הַמִּלְחָמָ֛ה לָמ֖וּת מִקֶּ֥רֶב הָעָֽם׃ (ס)
So it came to pass, when all the men of war were consumed and dead from among the people,
Read kabbalistic (mystical) interpretation of Deuteronomy 2:16: and classical mystical sources.