The Iliad 23.12–18

Wetted were the sands and wetted the armour of the warriors with their tears; so mighty a deviser of rout was he for whom they mourned. And among them the son of Peleus was leader in the vehement lamentation; laying his man-slaying hands upon the breast of his comrade: Hail, I bid thee, O Patroclus, even in the house of Hades,for even now I am bringing to fulfillment all that aforetime I promised thee: that I would drag Hector hither and give him raw unto dogs to devour, and of twelve glorious sons of the Trojans would I cut the throats before thy pyre, in my wrath at thy slaying. He spake, and devised foul entreatment for goodly Hector,