Eternal Life from Talisman Painting

Lin Chang'an traversed to the Immortal Cultivation Realm and became a lone cultivator who failed to enter an Immortal Sect. After twenty years of arduous cultivation, feeling disheartened and prepared to return to the mundane world to enjoy human wealth, he awakened to the proficiency panel. As long as he diligently learns and practices, his efforts will surely bear fruit. — Description from novelcodex.org