It is probably a simple matter to overthrow a dynasty. The cavalry general arrived too late to save him, and the evil wolf from the desert slaughtered the entire Cangzhou Palace. The only survivor of this massacre was a foolish prince under the emperor who was imprisoned in the palace and never showed up. General Yan Xiangfei saw that there was hope for the restoration of the country, so he picked up a knife and cut off the iron chain that had imprisoned him for twelve years.