Hou Peishan

Giant fossils unearthed in Mongolia lead government scientists to a dangerous underground world of massive beasts and temples.

Chen Chengfeng, a disciple of the Taiji clan, and his sister Yanran, who, after being rounded up by the daughter of the head of the Devil's Gate and a group of Devil's Gate disciples, coincidentally enter the most secretive realm of the Taiji clan, the Mound of the Alien Beast