Deep inside Spirit Cave, you find a star. The star tells you that the Star itself is the guardian of the Spirit Crystal, and that two challenging tests have been set for the people who seek the precious gem. Even though two tests have been set, you will only have to pass one to gain access to the Spirit Crystal. To the right of the star is the Test of Stamina. To the left is the Test of Strength. When you finally find the Spirit Crystal, You will see strange patterns on the walls telling you the story of the two battling guards of Strength and Stamina. They battled for many years, never stopping, but eventually the mystic god who's name is unknown stopped the fighting.