Save the World? Start with Cultivating Immortality!

Wu Ju has traveled through time, and the good news is that he has successfully embarked on the path of cultivating immortality, and his talent is extraordinary. The road to immortality is right in front of him! The bad news is that what he wears is a world that is on the verge of extinction after being invaded by monsters from the abyss, and what he cultivates is physical cultivation. "This is the technique, this is the equipment. You are already a mature host. Now it's time to save the world." The system said without mercy. "System! I@#you&￥!" Wu Ju began his struggle for survival.