You get the five scared idioms then go talk to hercules sister
Mount Olympus.
You get the trident. Then get hercules to smash the lock to mount olympus.
On Mythology island, she is on the road to Mount Olympus when you and Hercules encounter her.
you go to mount Olympus museum and the starfish will be on Poseidon's' statue
you go to Mount Olympus and fight Zeus
Medusa is on your way to the top of Mount Olympus. She will change Hercules into stone.
At the base, you buy a wind bag and fly up... :)
You buy one of Aeolus's wind bags from his cart at the bottom of Mount Olympus.
you get hurcules to open it but first you need to get the five sacred items and go to Athena
only Olympus is capitalized not mount.
Mount Olympus
get the Triton from posiden and get hades crown and go ontop of mount Olympus and try to defeat Zeus