He traveled through time and became Li Tan, King of Jianning in the Tang Dynasty. When he opened his eyes, he saw the Anshi Rebellion in Maweiyi. There are rebels outside and traitors inside. His father Li Heng is a weakling, and his grandfather Li Longji is preparing to run away. Just this mess? Sorry, Datang has its own national conditions! Awakening [Tyrant System with Filial Son], as long as you perform the subversive act of "father is kind and son is filial", you can explode your troops and equipment. Li Tan killed Yang Guozhong with his backhand and seized the power of the imperial army. He pointed his sword at the dragon chariot and said: "Grandpa Huang, you are getting old and you cannot control the world. My grandson Li Tan, I respectfully ask Grandpa Huang to abdicate!" From then on, the style of painting in the Tang Dynasty changed suddenly. An Lushan: "You call this the down-and-out emperor's grandson? What kind of hidden weapon is the AK in his hand?!"