A Book About People Who Have Tried Poison Themselves

It is a very famous book. In this world, ghost energy is reviving and more and more ghosts are appearing. And ghosts cannot be killed, but they can be suppressed. Each ghost has its own killing rules. As long as you master this rule, you can escape death. People who specialize in dealing with ghosts are called ghost controllers. They are invaded by ghosts, and they control ghosts and have the power of ghosts' killing rules, but Frequent use will cause the ghost to gradually revive and eventually become a ghost itself. You can control the second ghost and the third ghost to re-suppress the original ghost and achieve a balanced state. The protagonist Yang Jian is a ruthless and self-interested type, so there will be no bloody plot where the protagonist puts himself in a dangerous place in order to save others, and the horror elements are well written. Although there are some flaws in the character dialogue, it can still be explained, because the character of the ghost master has gradually become as ruthless as a ghost. In recent chapters, there has gradually been a phenomenon of writing about people pulling their crotch, and writing about super gods, eh. . . .