What do you do with the whisker on Mythology Island?
The whisker from Cerberus is one of the Five Sacred Items sought by Zeus. When you have all 5 listed on the Scroll, return to the Tree of Immortality with them.
The dragon on Astro Knights island When you pull the lever, the fire goes out in the dragon's mouth. Very quickly jump in front of him and fire the Ice Arrow into his mouth. You have to climb over and repeat this 3 times. Cerberus on Mythology island Just pick up a whisker. Hydra on Mythology island When all 5 heads are knocked out, swim past the Hydra to get a scale.