Which Greek hero killed Hector?

Achilles killed Hector, Troy's greatest warrior, in single combat outside the city of Troy. The duel occurs in Book 22 of Homer's Iliad, after Hector has killed Patroclus while wearing Achilles' armor. Grieving and enraged, Achilles returns to battle with vengeance as his immediate goal.

Hector initially refuses to retreat behind Troy's walls, but when he finally faces Achilles, the goddess Athena deceives him by appearing in the form of his brother Deiphobus. Hector throws his spear and misses; when he turns for another weapon, he discovers that the supposed ally has vanished. Achilles then strikes the exposed area at Hector's neck, the one part of the armor that does not protect him.

After Hector dies, Achilles strips his armor and drags the body behind his chariot. The gods preserve the corpse, and King Priam later visits Achilles to ransom it for burial. Another common mix-up is attributing Hector's death to Agamemnon or Ajax, both major Greek warriors but not the hero who defeats him.