Fantasy: Immortality starts with absorbing demons

At the end of the Daxuan period, demons and monsters were roiling the world! Han Yi woke up and became a mining disciple of the Chiyan Sect. What should I do if I encounter a demon? System, absorb, I absorb. What should I do if I can't beat the enemy? System, add points, I add, add, add. So [Golden Muscle and Jade Bone Skill] -> [Golden Body of the Great Sun Tathagata]......