In Wuzhou Continent, the secret arts of Yin-Yang and Five Elements are revered, and aristocratic families monopolize the inheritance of ancient secret arts. The "Xuantian Realm" that the protagonist travels through has two worlds: an outer world and an inner world. The outer world is a mortal dynasty, and the inner world "Netherworld Ruins" contains lost secret treasures and ancient evil spirits.
**Ning Wuchen**: A student in the Department of Modern Archeology, who traveled through time and became the orphan of the declining family "Qinglan Ning Family". The original family was wiped out for guarding the "Yin Yang Sky Survey". Before his death, the only remaining grandfather used forbidden techniques to fuse the modern soul with the body from another world, and planted the incomplete Five Elements Spirit Seed in his Dantian.
