ember that Xia Houzheng usurped the throne and killed the Emperor in front of the civil and military officials. All the officials were shocked and then he became the Emperor of Dongxiao. At that time, Da Ling didn't have cannons and gunpowder. Once he ascended the throne, he ordered the army to attack Da Ling, and Dongxiao was then destroyed by Da Ling. However, this matter should only happen two years later."