Summoning the Soul of History: the Rise of the Tang Dynasty in the Beacon Smoke of Anshi

I have a terrible headache! Li Shoujun felt like he was crumpled into a ball of waste paper and then brutally thrown into the sewer. There was a constant "buzzing" in his head, and countless memory fragments were dangling in front of his eyes like a revolving lantern, so that he almost died. Who am I? Where am I? What am I planning to do? He suddenly opened his eyes and saw tattered earth walls.