I switched allegiance to Zhang Han and rebuilt the Qin Dynasty; Liu Bang was heartbroken.

Zhao Long transmigrated to the late Qin Dynasty and became a member of Xiang Yu's 8,000-strong Jiangdong army. He offered advice but was humiliated by Xiang Yu, so he switched allegiance to Liu Bang and made great contributions. After the division of Xianyang, Liu Bang was dissatisfied with the fiefdoms and secretly feared Zhao Long's achievements, suspecting his identity. Enraged, he expelled Zhao Long and secretly assassinated him. Xiang Yu was dismissive, and Liu Bang's assassination attempt spurred Zhao Long to seek out Zhang Han and rebuild the Qin Dynasty! He conquered Guanzhong, destroyed Shu, and retraced the path of unifying the six kingdoms. This time, the Qin Dynasty borrowed Zhao Ziyun from Heaven again; except for the destruction of the world, no one could stop the Qin Dynasty's resurgence! Only Xiang Yu and Liu Bang wept bitterly: "If I could do it all over again, I would choose Zhao Long!"...