Secret of Mana price comparison

Long ago, the power of mana was used by all people. It helped civilization to grow. But when the forces of evil took control of the Mana Castle, a great war began. Many years later, a little boy finds a rusty sword - the legendary Mana Sword. As the boy pulls the sword out of the riverbed, he liberates hordes of monsters that fall upon the land. This is the beginning of an adventurous journey for him.