I solve cases and fix immortals in the demon world

Mo Chen, crossing into a world where demons and ghosts coexist with human beings, said he just wanted to stay alive and join the anti demons department, the imperial institution, end an iron rice bowl and wait for death. However, he ran into a murder case on his first duty, and he actually found that his hand had a power and could absorb the energy of all things there's no way. Mo Chen can only investigate the case while getting stronger, and then Then he found that he might not have because he found himself involved in a conspiracy one day