Achilles kills him with an arrow .
After the Trojans witness Achilles ' treatment of Hector 's body , Troilus insists on rejoining the battle despite his wounds and Hecuba 's attempts to stop him .
Achilles kills Troilus with an arrow .
After the Trojans witness Achilles ' treatment of Hector 's body , Troilus insists on rejoining the battle despite his wounds and Hecuba 's attempts to stop him .