He was bound to a rock, where each day an eagle was sent to eat Prometheus' liver, which would then grow back overnight to be eaten again the next day.
hiː wʌz bˈaʊnd tʊ ɐ ɹˈɑːk, wˌɛɹ ˈiːtʃ dˈeɪ ɐn ˈiːɡəl wʌz sˈɛnt tʊ ˈiːt pɹoʊmˈiːθɪəs lˈɪvɚ, wˌɪtʃ wʊd ðˈɛn ɡɹˈoʊ bˈæk ˌoʊvɚnˈaɪt təbi ˈiːʔn̩ ɐɡˈɛn ðə nˈɛkst dˈeɪ.