Why Aren't I Allowed to Live Forever?

Si Xiaoqian accidentally got involved in the world of immortality. He was just glad that he could extend his grandfather's life through cultivation, but he was told that this world of immortality actually prohibited life extension and put an end to immortality! They regard immortality as the biggest stubborn disease in the world, and they jointly made a pact to cut off everything related to immortality... When Si Xiaoqian was worried about what to do, he never thought that the person who led him into the world of immortality was secretly observing him - Si Xiaoqian, the cause of his formation is unknown, his mental fluctuations are much higher than ordinary people, and it is easy for the world to resonate with him, but his body is fragile and cannot bear it.