I Prove Immortality by Guarding Tombs

After refusing to test swords for the inner disciples, handyman Xu Zhaochen was punished by being assigned to guard the graves. The Longevity System gave him no divine martial arts, only agelessness and the ability to remember the gains and losses of every sword practice he undertook himself. Over four hundred years, he saw off the stern Han Zheng and the fiercely competitive Meng Huaishuo, then dug a grave for Xie Tingyun, the third-generation sect leader. Only when his old friend Shao Wugou came to seize the ancestral swords did the sect realize that the old man in the back hills had long since mastered the entry-level sword forms to an unseen level. New sect leader Jiang Zhuying asked him to come out of retirement, but his first question was: after this battle, will you still dare to wield your own swords?