erlang shen discovered that the demon realm invaded middle earth. in order to resist the invasion, he found four xiaotian warriors, zhu (zhu) jiumei, qian duowen, li zeng, and sun zhiguo, from ordinary people who even have one or another shortcomings, to eventually grow into a united, clear goals, brave and good at fighting giant spirit warriors. these four warriors resolutely accepted the mission and found a way to deal with the demon realm. on the way, they experienced the tempering of the zhongtian world and felt the noble sentiment of bodhi patriarch's life for righteousness. they were inspired by the great spirit of erlang shen and fei tian, ​​who had different personalities, willing to sacrifice themselves for great ideals and to protect others, and gradually matured. they finally refined the forbidden spell and successfully defended peace and tranquility on earth.