The Master Ring is the most important of a collection that Riki needs to recover if he wants his homeworld to be restored, it is also and the final boss for his story in the videogame SaGa Frontier. It is revealed that the rings are actually evil objects created by an ancient race of monsters that feed upon the lust of people. The rings seek each other out and bring absolutely no good. The Master Ring, the one that can actually conquer all Regions, possessed Mei-Ling to absorb her power and control her.