The Deceitful Fairy: Blood-Stained Ten Thousand Soul Banners

(Also known as: Whoever is crazier than me in the world of cultivation can become stronger if I kill people!) [Congratulations to the host for completing the first kill, the killing system is activated. [The host's mental abnormality is detected, and the system begins to intervene. [Current treatment progress——9%] Ying Yuan, who lives in a mental hospital, was accidentally hit on the head while playing with his fellow patients, and traveled through the world of cultivation. Everyone knows that cultivating immortality requires a clear mind. Ying Yuan chuckled at the system panel: "They all say I'm crazy, but I am the only one who knows that the path to immortality is more terrifying than entering the eighteenth level of hell!" "Kill the sword-wielding man so that I can cure my madness!" The righteous monk called him a devil, so he took the other person's soul and fed it to the Ten Thousand Soul Banner. System prompts [Congratulations to the host for killing the golden elixir monk, gaining experience points: ** points, and there are still: ** points left before the next upgrade] The demonic brother wanted to kill him, so he beheaded him with a smile. System prompt: [Congratulations to the host for obtaining the magical power: All Souls Heart-Eating Sacrifice] When Ying Yuan stood at the top of the Immortal Path, the Ten Thousand Soul Flags covered the sky and the sun, and the system's voice was as cold as ever: [Congratulations to the host, you have killed everyone in the world and become the only true immortal in this world. You can ascend to the upper world! He tilted his head, traced the ferocious ghostly shadow on the flag with his fingertips, and asked softly: "Look, now... Do you still think I'm crazy?" [Current treatment progress——100%]