you get the starfish from the museum and put in the offering table then you dive where the sea horse is shooting water.
go right then go to the beach
Wait until Hercules helps you.
You get hades crown and posidens trident.
You have to get a starfish as an offering to him. Same thing with Hades, you have to give him pomegrantes.
in Hades realm du
the trident is posidens weapon
you get Hercules to come with you.
Find her in Posideon's realm.
To get in Hades realm you need pomegranates.
You use the pomegranates in hades realm.
you get a starfish from museum of olympus on posidens face
Once Hercules helps you, use Aphrodite's mirror to go to Posidon's realm. Hercules will smash the rocks guarding Posidon's realm.
Kronos, a Titan
The floor breaks in the water realm to access the underwater ruler.