Stheno with her sister Medusa, who was raped by the sea god Poseidon in the Temple of Athena. Athena, bearing no emotion and finding no fault in Poseidon, was furious with Medusa. As a punishment, Medusa was changed into a terrible monster, along with her sisters Stheno and Euryale. Stheno tends to be depicted as a thin gorgon monster with red snakes curling around her head instead of hair. Earlier accounts, however, describe her as having a scaly head, a boar's tusks, bronzed hands, a protruding tongue, glaring eyes and a snake around the waist as a belt. When the Gorgon
The Son of Neptune can only be defeated if the gods and the demigods join forces. This proves to be difficult. Percy and his friends manage to defeat the Alaskan Giant and save Camp Jupiter from destruction. During their journey, Hazel and Frank become true heroes who know how to use their powers and have self-confidence. Percy regains his memory on their return to Camp Jupiter and finds an army of monsters (including Stheno, Euryale, and the three Cyclopes) led by Polybotes attacking it. Percy successfully defeats him with the help of Terminus, his Cyclops half-brother, Tyson and the hellhound Mrs. O'Leary. At the