Picked up the Ghost Order at the Beginning, and Finally Became the Son of Yin Tianzi

The old gods are annihilated and the underworld is empty. Xie Yun, a mortal, took charge of the ghost order and stepped into the collapsing netherworld alone. Hunting down evil spirits, accumulating merit and establishing rules, he will reset the cycle of reincarnation on this ruins and recreate the glory of the underworld.