Dark Blood Age

On that day, the sun and starry sky completely disappeared from the human world. Powerful and unknown creatures in the darkness descended on the earth one after another. It was also on that day that the ancient book passed down from generation to generation in Chu Yunsheng's hand emitted light. But could this light, as weak as a firefly, illuminate a difficult path for Chu Yunsheng to survive in a world where monsters are rampant and the strong are respected?