I Samuel 28:4 Midrash

וַיִּקָּבְצ֣וּ פְלִשְׁתִּ֔ים וַיָּבֹ֖אוּ וַיַּחֲנ֣וּ בְשׁוּנֵ֑ם וַיִּקְבֹּ֤ץ שָׁאוּל֙ אֶת־כָּל־יִשְׂרָאֵ֔ל וַֽיַּחֲנ֖וּ בַּגִּלְבֹּֽעַ׃

And the Philistines gathered themselves together, and came and pitched in Shunem; and Saul gathered all Israel together, and they pitched in Gilboa.

Read midrashic interpretation of I Samuel 28:4: and classical rabbinic exegesis.