Cultivation in Both Realms, I Will Prove the Path of Immortality with My Lifespan

When Chen Guan received the test results and knew that he had only a few years to live, he admitted that he panicked. At this moment, the system came. System: Krypton life system is bound, everything can be done by consuming life span Chen Guan: Hey, I'm not panicking anymore. Hey, what was flying that day? You said the one who could lift up a mountain was a human being. Forget it, never mind, system, krypton life, let me see your limit!