The Fairy Furnace of the Great Way

Once you become a servant of the Cangyun Sect, you will be killed at any time, but when you meet the crazy senior sister, you will blame the blame and kill without blinking an eye... Li Yuan's biggest dream is to be promoted to a formal disciple as soon as possible and live like a human being, but his qualifications are mediocre and he lacks resources. I accidentally found a mysterious little black jar, put the waste elixir in it, and it turned into the best elixir in an instant... He made a breakthrough overnight, mastered the skills of his senior sister, practiced magic and made elixirs, asked for immortality, and then embarked on an invincible path to immortality!