וַיִּתְקַ֤ע יוֹאָב֙ בַּשּׁוֹפָ֔ר וַיַּֽעַמְדוּ֙ כָּל־הָעָ֔ם וְלֹֽא־יִרְדְּפ֥וּ ע֖וֹד אַחֲרֵ֣י יִשְׂרָאֵ֑ל וְלֹֽא־יָסְפ֥וּ ע֖וֹד לְהִלָּחֵֽם׃
So Joab blew the horn, and all the people stood still, and pursued after Israel no more, neither fought they any more.
Read kabbalistic (mystical) interpretation of II Samuel 2:28: and classical mystical sources.