In the few fragmentary poems of the Epic Cycle which describe the hero's death (i.e. the Cypria, the Little Iliad by Lesches of Pyrrha, the Aethiopis and Iliupersis by Arctinus of Miletus), there is no trace of any reference to his general invulnerability or his famous weakness at the heel.
ɪnðə fjˈuː fɹæɡmˈɛntɚɹi pˈoʊᵻmz ʌvðɪ ˈɛpɪk sˈaɪkəl wˌɪtʃ dᵻskɹˈaɪb ðə hˈiəɹoʊz dˈɛθ ˈaɪ.ˈiː. ðə sˈɪpɹiə, ðə lˈɪɾəl ˈɪlɪˌæd baɪ lˈɛʃᵻz ʌv pˈɪrhə, ðɪ ˌiːθɪˈoʊpiz ænd ˌɪlɪjˈuːpɚsˌɪs baɪ ˈɑːɹktɪnəs ʌv mˈaɪltəs, ðɛɹ ɪz nˈoʊ tɹˈeɪs ʌv ˌɛni ɹˈɛfɹəns tə hɪz dʒˈɛnɚɹəl ɪnvˌʌlnɚɹəbˈɪlᵻɾi ɔːɹ hɪz fˈeɪməs wˈiːknəs æt ðə hˈiːl.