Only Hercules has the strength to move the boulders blocking the throne rooms of Hades and Poseidon. And he will not do this until after Zeus steals the Five Sacred Items that you locate. Asking him until then is futile.
Through his throne room to the far right of the island.
You get it in Hades palace for cleaning graffiti for a worker in the throne room.
In Poptropica's Mythology Island, Hades' throne room is located in the Underworld, which is accessed through the entrance in the Tree of Immortality. Once you navigate through the challenges in the Underworld, you will reach Hades' throne room where you can defeat him and complete the island quest.
You have to get Hercules to do it (I forgot how to get him to help, sorry!)
His throne room is in the Temple to Poseidon, at the bottom of the lake. But you can only reach it when you have Hercules to move the boulder blocking the entrance. If you accidentally enter the Throne Room by slipping past the rock, you may not be able to get out again unless you have the Transporter Mirror.
you get a starfish from museum of olympus on posidens face
Place it on the offering stand in Hades throne room.
get the five sacred items, give them to Zeus, go to Hercules, and use the mirror to get there.
She is at the Tree of Immortality. You must see her before you can access the throne rooms of Poseidon or Hades.
On Mythology Island, you will meet the god Zeus, and his daughter Athena at the Tree of Immortality. You will find Aphrodite on the beach in the realm of Poseidon. The gods Poseidon and Hades are in their throne rooms, which you cannot enter until you have recovered the 5 sacred items and returned them to the Tree of Immortality.
Hercules will help you reach the throne rooms of Poseidon and Hades. But you need the Touchscreen Mirror from Aphrodite's test in Poseidon's realm.
The workman has nothing to do with the throne rooms. He is just there to pay you for cleaning the graffiti. You cannot get into the throne rooms (except accidentally) while you are recovering the sacred items. Take them back to the Tree of Immortality. Once Zeus has the items, Hercules will help you, providing you have the Touchscreen Mirror from the test by Aphrodite. He will let you enter the throne rooms and also open the gate to Mount Olympus.