you use the mirror to go to the front of the gate of Zeus and go to the garden of immortally then Zeus steals all the five items and go to Hercules and go to the underworld, hades will give you his crown Poseidon will give you his staff and then go to mount Olympus and battle Zeus and win then the island medallion is yours!
you go to where you found Zeus.
Continue finding the 5 sacred items.
They are listed on the scroll you receive from Zeus.
Your quest on Mythology Island is to give Zeus the 5 items;the rose, the whisker, the scale, the pearl, and the golden ring. To do this, you have to get the apple (to summon Zeus and then actually get the quest).
At his realm that is in the Gates.
You need the 5 sacred items to defeat Zeus and the island to get the medallion
You return the 5 sacred items on Mythology Island to the respective gods at the Altar of the Gods. Each god has a specific alcove where you can place the corresponding item.
Collect the rest of the 5 sacred items and return them to the Tree of Immortality.
Head back to the tree of immortality and talk to Athena.
you go to see Athena in the place where you saw her before.
The 5 gods and goddesses on the test are Ares, Hermes, Aphrodite, Artemis, and Hestia.
You take them back to the Tree of Immortality, where Athena will show you a secret message on the items.