Start with a Mental Illness and Defeat the Evil Spirit with One Punch

He is a severe mental patient, He can blow the devil's head off with one punch, He is the most feared being in the ghost world. The ghost world offers a reward of tens of millions of ghost energy, ten thousand acres of ghost fields, and a huge haunted house for him, but the final result is one sentence: "If you don't give me food, I will beat you!" He is Li Ran who cannot be cured by the system. [System: Shabi will always be Shabi and will not accept any refutation]