宋末(👷)蒙古(gǔ )蒙(⛲)哥大汗南(📼)下侵宋(🐌),途中遇到飞天(🕟)炮(pào )阻(🛍)击身受重伤(shāng )。后(🔧)法(fǎ )王虽偷得飞天炮,然蒙哥(gē )伤势加重(🎾),只(zhī )得撤(chè )(⏬)兵。返程中(🏇)被(♑)忽必烈偷袭(⚫),逃入雪(👑)山(shān )。蒙(méng )哥感(🎡)到命不(bú )久已,写下血书,传(chuán )位尚年(🛺)幼王子海都后自尽(jìn )。大雪山中(zhōng )人(rén )马(🥀)走散,飞(🐖)天(🤷)炮和血书失踪(📎),海都逃出(🌚)雪山后遇(yù )到(dào )受伤的(❔)法王,原来(🌊)他受到中原(yuán )三(🙂)大高(gāo )手的袭击,他们(men )一起返回雪山(💪)找寻其它队伍但是雪山迷宫(gōng )使他们(men )放(fàng )弃。与此同时三大(dà )高手也感(gǎn )无(🤖)力(⚾)进(jìn )入雪(👣)山,将进(jìn )雪(xuě )山迷(💔)城的地(dì )图分成(chéng )三(🚗)份交各人保存(cún )。法王(⛏)带着海(🥋)都勉(🃏)强到达师(shī )弟银(yín )枪(qiāng )法王处,将(jiāng )(🙎)海都(dōu )托付(fù )给师(shī )弟后毒发身亡。海(💏)都从此身负夺(duó )回帝位的(🏃)重任。