Simulate Cultivation of Immortality: You Can Save It by Consuming Your Life Span

Lin Fan traveled through the fantasy continent and was forcibly bound by a mysterious system. He only needed to spend his lifespan to save a practice simulation. While other people were enjoying life with their successful cultivation, Lin Fan could only get up early and work at night to figure out the direction of practice for the next level. There was no other reason. If he didn't work hard to improve his cultivation, he would just sit there and die...