But Phorbas tells Ceyx he must journey to the oracle of Apollo on the island of Claros to hear the god 's verdict .
Ceyx goes to Phorbas 's cave to entreat him to stop his evil spells .
Phorbas tells Ceyx Ceyx must journey to the oracle of Apollo on the island of Claros to hear the god 's verdict .
Ceyx goes to Phorbas 's cave to entreat him to stop his evil spells .