She is at the Tree of Immortality. You must see her before you can access the throne rooms of Poseidon or Hades.
you go to athena and give it to her
Meet Athena at the Tree of Immortality and she will show you how to read the message on the sacred items.
After you give the items to Zeus, the old lady will turn into Athena.
Take the five sacred items back to Athena at the Tree of Immortality. Zeus will show up after you decipher the message.
Go back to the Tree of Immortality, where you met her at the beginning of the game.
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.
After you get all the sacred items go 2 Athena and Zeus will take them. Athena will let you get help from hrcules, and you go through the gate and fight Zeus. it is hard 2.
She should be by the sign that says "Become a God" at the olive tree after you've found the five sacred items.
Once you have all the items you must go to the tree were you met Athena she will be there and zuese will steal the items after you figure out his plan
you find all the sacred items of zues then you go to the tree of immortality Athena will be there talk to her decode the message zues will steal the sacred item.
After obtaining all 5 Sacred items on Mythology Island in Poptropica, you need to return them to each of the respective gods (Hades, Poseidon, Zeus, Athena, and Aphrodite) in the temple. Once you have returned all the Sacred items, you will be able to proceed to the final challenge to complete the island quest.
Take the 5 sacred items back to the Tree of Immortality, where Athena will meet you and help you decipher the message on the items. (You cannot reach the throne rooms of Poseidon and Hades without the help of Hercules, and he won't help you until Zeus has the sacred items.)