Tang Dynasty, I can lead troops through ancient and modern times

I am Gao Ming, who traveled through time and space to become Li Chengqian after his failed rebellion. The game starts with the famous scene of "Please call me the prince, Your Majesty", and I get a time-space blade that can split time and space and lead the Tang soldiers to travel randomly to ancient and modern times. As a poor man without fatherly love, he wants to live again for Li Chengqian, for the Tang Dynasty, and for China. He wants to throw the heads of several brothers in front of Li Shimin and ask the Khan, why? Is this the end? No, Li Chengqian's regret is just a small wave in the history of China, and the regrets of modern times are the blood feuds. The Sino-Japanese War of 1894-1895, the Battle of Songhu, the Battle of Nanjing, the Battle of Tengxian, the Sichuan Army...