The Question and Answer section for Prometheus Bound is a great resource to ask questions, find answers, and discuss the novel.
That powerful god would be Zeus.
The Spirit of the Sea, Ocean, goes to plea for Prometheus. He doesn't make the plea, however, because he is warned of the danger to himself.
One of the great themes of Prometheus Bound is the frustration and helplessness of reason and rightness in the face of sheer power. Aeschylus hammers the theme home by having Prometheus chained by two demonic forces with...