Immortality Forces Me to Slay Demons and Become Invincible in the World

"Jie, Jie, Jie, don't leave, the demon, your life is destined to mine!" You can use your lifespan to deduce the skills, and as long as your lifespan is enough, you can become a saint instantly. This world is filled with demons. There are those who wear human skin as imperial crowns and secretly devour countless human beings. There is a big demon that can swallow an entire city of humans by opening its mouth. Lin Yuan came from time to time and lived less than a hundred years as a mortal. As a small Yamen servant of the Demon Slayer Division, he did not have any prominent family background or sect inheritance. Fortunately, after awakening the krypton life system, killing demons can obtain the remaining life span, which can be used to deduce martial arts skills. From [Country Wolf Demon] to [Dajiang Dragon King] From [Manniu Body Forging Technique] to [Immortal Golden Body] … Lin Yuan looked at the densely packed Shouyuan on the panel. Grinning. I don't believe that if I smash this infinite life span, I won't be able to build a smooth path to heaven.