The Greek Gods ES

In this part of the passage, we learn a lot about the cruelty of Zeus. We learn that he sends a mortal woman to the edges of the Earth because he is in love with her and doesn't want to be tempted by her. We also learn that there could possibly be a civil war between the gods stirring up. Prometheus talks about Zeus' demise from Io's great-grandchild but we also get a sense that Poseidon has something to do with it when we read, "He himself is preparing to beget his own opponent: a dangerous foe to fight, who will discover a fire greater than lightning and mighty clash louder than thunder; he'll splinter, too, the trident, spear of Poseidon, that sickly staff he wields to shake the seas." Poseidon wouldn't give up his trident willingly so it leaves to schools of thought, either this descendant of Io has the power to defeat Poseidon and Zeus, or Poseidon has betrayed Zeus as Prometheus did with the Titans. We can't know which is true.