Final answer:
The prophecy about the Land of Phaeacia is not explicitly mentioned in the reference materials, but in Greek mythology, it is known for being prophesied to face disaster for aiding a great hero like Odysseus.
Step-by-step explanation:
The prophecy about the Land of Phaeacia is not directly detailed in the reference material provided. However, in the context of Greek mythology, which is likely the backdrop for this question, Phaeacia is known as the land visited by Odysseus in Homer's epic poem, the Odyssey. Phaeacia was prophesied to face disaster due to helping a great hero, which could be interpreted as Odysseus; the Phaeacians took him back to his home after many years of his adventurous travels. There is no explicit mention in your references of a monster associated with the Land of Phaeacia, but given the nature of prophecies in ancient literature, they often involve the caveat of dire consequences should specific conditions be met or actions taken.