Get The Quake Medallion:

In the dark world go to the man selling stuff which in the light world it would be the witches hut.But don't go in instead go over to the right and go up and lift the object and follow the path. After a ways you will see a sign that is warning you not to throw anything in the circle of stones. Go to the left and you will see the circle of stones pick up the skull beside the circle and throw it in and a beast will come up and say if you leave him alone he will give you a presant. After he throws out the medallion go grab it. If you throw the skull in there again he will just spit a fireball at you.