Spiritual Energy Recovery: Unlimited Skill Upgrades!

Lin Yuan carries the skill upgrade system through the world of spiritual energy recovery. Who would have thought that after upgrading ordinary martial arts, one would be able to comprehend special skills. "Upgrade your grappling skills to level 10 and understand the Heavenly Yin!" "Upgrade the basic body skills to level 10 and understand the eye-covering body skills!" ………… Not only that, after upgrading your practice skills, you will be able to master supernatural skills! "Upgrade the Body Tempering Art to level 100 and comprehend the ten forbidden arts!" Open one door and your combat power will be doubled, two doors will be four times as much, three doors will be nine times as much, and all ten doors will be opened! A hundred times more combat power! "Upgrade the Sutra of Immortality to level 100 and understand the Sky Lantern of Immortality!" Light ten sky lanterns, extinguish one after death, and return to full strength! "Upgrade the method of freedom to level 100, and understand others and transform into freedom!" With thousands of incarnations, why should we be enemies? ? ………… Years later, looking back, Lin Yuan suddenly realized that he was invincible! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.