The Cultivator Returns, but the Zombie Apocalypse Breaks Out on the Earth

Lin Xiao traveled through the world of immortality for thousands of years, and finally succeeded in overcoming the tribulation, only to find that he had returned to Earth. Only half a month had passed in the Earth's timeline. But the earth is currently experiencing a zombie virus outbreak. After Lin Xiao returned to Earth, he found that he had lost most of his cultivation. Fortunately, after trying, he could restore his cultivation by killing zombies. At the same time, zombies are constantly evolving.