XANADU ドラゴンスレイヤー伝説

Based on the role-playing game "Legend of Xanadu". The evil magician Reichswar has killed the King to gain possession of a magic crystal; now he means to use its power to rule the whole Xanadu. The princess Rieru is kidnapped. One brave young warrior, wielding the magic blade Dragonslayer, goes to her rescue.