I Traveled Through Time and Became a Zombie!

Li Yun was dead, but he didn't seem to be dead at all - when he opened his eyes, he became a zombie that had just crawled out of the grave. His whole body was stiff, and he could hear the cracking of bones whenever he moved. What's even more outrageous is that he also has a system for cultivating immortals in his mind. The novice gift package is "Qi Refining Art", which comes with the talent "Qi Eating" - simply put, it can absorb Yin Qi, spiritual energy, and even... The evil spirit from zombies. Looking at the numerous graves around him, and the screams of two similar beasts popping up from time to time, Li Yun realized: in this dangerous world of immortality, zombies are living targets, and sooner or later they will be chopped into ashes by a Taoist priest's sword. Until one day, the immortal world was shaken, and the immortals looked up and saw a green-faced and fanged "zombie" sitting in the clouds, burping: "Actually, I really don't want to become an immortal, I just want to live quietly until I grow old...