The Half of Xiu Xian Xiu Suddenly Revived?

This is a different world of cultivating immortals. Qi Gathering Pill, Foundation Establishment Pill, Ying Ying Pill, Shou Yuan Pill... These things that can defy the heavens and change one's destiny do not exist in the world. They are hidden in an unspeakably strange place. There is a group of people who have been responsible for sneaking into it for generations, asking for things that do not exist from unknown places. They are called - Dan people.