Wasteful spiritual roots? I secretly picked up a bargain in the world of immortal cultivation

A mortal boy named Lin Fan stumbles upon a mysterious stone talisman, containing an ancient spirit capable of appraising treasures, refining elixirs, and peering into the mysteries of the heavens. He thought he could quietly cultivate to immortality, but instead, he's thrust into the middle of a sectarian feud. See how, with his limited spiritual resources, he diligently cultivates to save his life while quietly making a fortune, and embarks on a thrilling journey to the pinnacle of immortality...