"The Sundered Throne"
On the eve of their coronatiion as Kings of Crystalium, the Princes Crystar and Moltar find themselves on opposites sides in the war between Order and Chaos. After nearly killing his brother, Moltar and his followers are turned into Magma beings by the wizard Zardeth. Meanwhile, the efforts of the wizard Ogeode to save Crystar result in the prince becoming living Crystal. Anxious to help their prince in his fight on behalf of Order, his friends allow themselves to be turned into Crystal Warriors.