“even then the Danaans by their valour brake the battalions, calling to their fellows through the lines. And among them Agamemnon rushed forth the first and slew a warrior, Bienor, shepherd of the host,—himself and after him his comrade, Oïleus, driver of horses. Oïleus verily leapt down from his chariot and stood and faced him,”
Il. 11.90–94
“but even as he rushed straight upon him the king smote him on the forehead with his sharp spear, nor was the spear stayed by his helm, heavy with bronze, but passed through it and through the bone, and all his brain was spattered about within; so stayed he him in his fury. These then did Agamemnon, king of men, leave there,”