וְאַבְשַׁ֣י בֶּן־צְרוּיָ֗ה הִכָּ֤ה אֶת־אֱדוֹם֙ בְּגֵ֣יא הַמֶּ֔לַח שְׁמוֹנָ֥ה עָשָׂ֖ר אָֽלֶף׃
Moreover Abishai the son of Zeruiah smote of the Edomites in the Valley of Salt eighteen thousand.
Read midrashic interpretation of I Chronicles 18:12: and classical rabbinic exegesis.