Zeus, the king of the heavens, was not being worshiped. He felt they were being disloyal, so his brother, Hades, tricked him into bringing his evil out into the world to punish them for what they have done. Zeus approved. Perseus, the king of the sea, also their brothers, was challenged to stop Hades because he tricked Zeus. It was all up to Perseus. When Hades brought out his "son" the monster appeared very large, Perseus stopped him with no fear. He took on the most impossible task...killing Hades, throwing him into the sea and disintegrating back into the underworld where he belongs.