1 Samuel 17:28 — KJ3 Literal Translation

²⁸ And his eldest brother Eliab heard when he spoke to the men. And Eliab's anger burned against David. And he said, Why is it you have come down? And with whom have you left those few sheep in the wilderness? I know your pride and the evil of your heart, for you have come down to see the battle.

Source: BiblicalTools.org — KJ3 (Literal Translation by Jay P. Green Sr.)

The armies of the Israelites and Philistines ready, Goliath issues a challenge. David takes the challenge. With no armor he kills the giant.