I Will Rebel at the Beginning and Build My Own Mountain Stronghold.

In one day, Dawu lost two emperors in a row, and the male protagonist's soul passed through the new emperor. The beginning of hell, dormant in the cold palace, and the false emperor came to the throne. Only by dormant and patiently waiting until they are out of danger, then study the system rules carefully, plan a counterattack, and save their lives can there be a possibility of a comeback.