Achilles' most notable feat during the Trojan War was the slaying of the Trojan prince Hector outside the gates of Troy.
ɐkˈɪliːz mˈoʊst nˈoʊɾəbəl fˈiːt dˈʊɹɹɪŋ ðə tɹˈoʊdʒən wˈɔːɹ wʌzðə slˈeɪɪŋ ʌvðə tɹˈoʊdʒən pɹˈɪns hˈɛktɚɹ aʊtsˈaɪd ðə ɡˈeɪts ʌv tɹˈɔɪ.