C1063 Leave the ancient tomb

Back then, Sera Duosi and the Chief of the Tu Ku Clan had to be married, so if the marriage was successful, then the Doran Empire should not be destroyed. However, it was very obvious that someone wanted to destroy the marriage, and so, they poisoned Sera Duosi, causing the marriage to fail. Although the late stage of the Doran Empire still persisted for several hundred years or so, in the end