2 Chronicles 20:12-16

Our God, will You not judge them? For we are powerless before this great multitude that is coming against us; nor do we know what to do, but our eyes are on You.”

All Judah was standing before the Lord, with their infants, their wives, and their children. Jahaziel Answers the Prayer

Then in the midst of the assembly the Spirit of the Lord came upon Jahaziel the son of Zechariah, the son of Benaiah, the son of Jeiel, the son of Mattaniah, the Levite of the sons of Asaph;

and he said, “Listen, all you of Judah and the inhabitants of Jerusalem, and King Jehoshaphat: This is what the Lord says to you: ‘Do not fear or be dismayed because of this great multitude, for the battle is not yours but God’s.

Tomorrow, go down against them. Behold, they will come up by the ascent of Ziz, and you will find them at the end of the valley in front of the wilderness of Jeruel.