Immortal Journey to Immortality

The path to immortality is fluttering... But the future is bleak.·~~There are as many aspiring to the Tao as an ox's hair, and as few as a unicorn's horns who have attained the Tao. How can a person with mediocre qualifications stand out from cultivating immortals? The protagonist is forced to walk on a dead end, but he is lucky enough to get a glimpse of the way to cultivating immortals... How should he find immortals, how should he cultivate immortals, and how can he save his life between killing and fighting? Giant immortals and old demons are everywhere passing by, where will they go? Will he be among the monsters, or will the world be turned upside down?