"There must be some kind of conventional method, otherwise, the pre-Qin alchemists couldn't be so strong. Only by frequently entering the inner scene can they have the kind of achievements that future generations cannot match."

Wang Xuan felt that he should pay attention to all kinds of pre-Qin bamboo slips in the future, but he should pay attention to collecting and reading all things related to alchemists.

He believed that, in some pile of old papers, there might be a description of the conventional method of entering the scene.