Cultivation of Immortals: I Only Cultivate the Methods of Ancestors Such as You

Coming through time, Chen Jing had the sun above his head and stepped on the loess. Bad food! I farmed in my previous life, but I am still farming in this life! However, he accidentally obtained an immortal tree system similar to a technology tree. [It is detected that the host is holding the immortal cultivation book: Qi Refining Technique] Recording... [Record completed] [It is detected that there are fragments of real immortal cultivation books in the classics] [Origin traceability: "Xuanyuan Qi Refining True Secret" created by Xuanyuan Zhenren, the founder of the ancient Qi Refining Sect] ... "Who are you?" Everyone was shocked when they saw Chen Jing leaking a hint of the source of his magic! "Old... Ancestor?! Are you not dead yet?"