Guilong Jue by Dongshan Muyu

When the founding emperor Chu Tiankuo woke up, he became the last faint king who was overthrown by his own hands. In the process of trying to return to his throne, he found that in his wise and powerful body lived the soul of the subjugated country that he despised. As he struggled to save the dynasty he founded, he gradually uncovered a shocking secret that could overturn two dynasties.