Seek Immortality in the Demon Slayer Division

After traveling through time and becoming a low-level law enforcer in a fantasy city, Li Xiang suddenly discovered that he had colluded with the devil and was killed. He only had 36 years left to live. At the critical moment, the system is activated: life is exchanged for skill cultivation, and one year is exchanged for one year of skill. Seeing the demon threatening to take his life, Li Xiang gritted his teeth and burned 35 years of his life in one breath, cultivating the basic skills to perfection in an instant. The demon was killed, but he only had one year left to live. Looking at the prompt on the system panel that plundered the demon's lifespan, Li Xiang smiled bitterly: "This wave of losses is huge..."