千年前，灵兽蜃与玄水祭司萤情同姐弟，然而蜃顽劣之极，误入魔道，以至生灵涂炭。萤为救天下苍生与汐族协力将蜃魔哄骗封印。封印之时，萤一念之仁，为蜃魔留下一线生机。此后，萤牺牲自己以赎罪，汐族众人也被困于凝固的时间之中。千年后，蜃魔复苏之日渐近，当年的萤转世为玄水祭司瞳溟。蜃魔沉睡千年，只为报复萤的背叛，他附身在了瞳溟深爱的妹妹瞳洸身上，借瞳洸之手毁灭了瞳溟所守护的一切，爱的守护和恨的利刃将会牵扯出怎样的恩怨情仇……
靠一己之力，独自击败了魔王军四天王的勇者雷欧·德蒙哈德。在成功讨伐魔王之后，因拥有太强的力量，被人民所忌惮，后加入了魔王军...
Based on the smash video game series by Double Fine Productions (Psychonauts, Broken Age) and the world originally created by Tasha Sounart, Costume Quest is a funny and mysterious animated series aimed at six to 11-year-olds. The show stars four kids facing off against the dark forces lurking in the shadows of their sleepy town of Auburn Pines. To overcome obstacles and achieve their goals, they must learn to unlock and master the magical powers of super-normal costumes-with each costume comes a new set of transformations and powers.
