Da Qin: Li Chungang's Sword and the Third Young Master

Zhao Xia passed through the Qin Dynasty as the third son, and was bound to the system to get Li Chungang. When Yan sent Jing Ke to assassinate Qin, the old man took out his wooden sword from its sheath and struck a blow. He wants to reverse the situation of the death of the Second Emperor of the Qin Dynasty, achieve immortal achievements, and protect the Black Bird Flag for thousands of years.