Three years ago, the "Celestial Change" suddenly occurred. While the aura of heaven and earth revived, it also brought about devastating disasters. Earthquakes, tsunamis, and alien beasts were rampant, and human civilization collapsed instantly. The former cities were reduced to ruins, with very few survivors. Xiaoqiang was originally the most inconspicuous wage earner in the city, with no education or background, but he relied on a dilapidated ancient book he picked up in an abandoned library - "The Secret of Body Training in Troubled Times". From then on, Xiaoqiang embarked on a unique path of cultivating immortality.
