Plane Ghost Difference

Xiang Meng died suddenly and unexpectedly. After turning into a ghost, he learned that his life span was not over. How could he die before his life span was over? Even Pluto, who is in charge of destiny, does not know this. Xiang Meng's death exceeded the expectations of the spiritual world and exceeded the laws of heaven and earth. Because of this, he could not be resurrected or reincarnated. In the end, he could only stay in the spiritual world and become a ghost missionary who traveled through different planes to complete tasks. However, is it really that simple?