Tetheus, Rune, and Thatz encounter Shydeman and Fedelta in the Dragon Castle's sanctuary, where Shydeman awakens the mourning monster Yusurugi. Our heros must band togetherand combine the powers of the Blizzard Sword and the Furious Fire Sword if they are to have any chance of defeating Yusurugi! But will they have enough power to stop Shydeman and Fedelta first?