I'll Just Dig a Grave. How Come You're Alive, Ancestor?

Chen Shan traveled back to a world of immortals, only to find that he was cursed and was absorbing his lifespan every moment. If you awaken the grave-digging system at a critical moment and dig someone else's grave, you can obtain some things from the grave owner's lifetime, such as lifespan, qualifications, spiritual root experience, etc. In the end, Chen Shan abandoned his ancestral tomb, thinking that he could gain a lot, but found that his ancestor was not dead at all. Come on, he was miserable now. Ding——, congratulations to the host for successfully digging the grave and gaining life span... Ding——, congratulations to the host, you successfully dug the grave and obtained the skill... Ding——, congratulations to the host for successfully digging the grave and obtaining the heaven-defying qualification.... .... "Damn it, hit that gravedigger quickly, he dug up my ancestral grave." "Stop him quickly, my grandfather's bones." .... "What? This beast dug my ancestor's grave?" .... From this point on, the world became less peaceful. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.