Achilles cousin and best friend was Patroklos.
Achilles was furious because Hector had killed Patroclos, best friend of Achilles.
Achilles's best friend murdered by Hector
Hector has killed Patroclus, Achilles' best friend.
Patroclus is Achilles friend in the Illiad.
Hector has killed his best friend, Patroclus.
Achilles killed Hector mainly to avenge the death of his friend, Patrokolos. Also, it made sense for him to kill Hector because they both were the best fighters on their respective sides. If Achilles killed Hector, he would gain a lot of honor.
Patroklos was the friend and comrade of Achilles. Hector killed Patroklos believing him to be Achilles.
Hector's main role in The Iliad was that of killing and dishonoring Achilles' best friend, Patroclus. This engraged Achilles and led him to seek revenge.
Hector had killed Achilles' friend Patroclus.
Hector did.
The death of his best friend/comrade Patroclos.
Patroclus, Achilles' friend wore Achilles' armor. Hector killed him took the armor and refused to return it. Achilles would not forgive this.