Answer
Im not telling and add Best025InSkype
On the island
you will find pomegranetes by the creepy Sphinx thing and that is the offering.
The pomegranates are on a tree in the Garden of the Sphinx, which is over the bridge from the Tree of Immortality.
Flute
when you go into the museum on mythology island, go right and you will come to a hall that tells you all about the gods. when you reach posiden's statue, there will be a huge pink starfish sticking to his face. this is posiden's offering.
To get Hades's offering, you go to the garden with the spinx statue. You then find a pomagranate tree and pick them. Those are the offerings.
The offering is pomegranates, from the tree above the creature in the Garden of the Sphinx.
they're the offering for the underworld temple.
You have to get the starfish and put it on the offering alter.
The offering for Poseidon is a starfish. There is one on the face of his statue in the Museum of Olympus.
To get to hades castle: Go all the way to the end of the island and there is his castle. There will be an offering table. Find pomegranates and put them on the table. A door will open. Take it from there.
The offering for Hades is pomegranates, from the tree above the creature in the Garden of the Sphinx. The offering for Poseidon is the starfish from his statue in the Museum of Olympus.