I traveled through time and became a general who guarded the border and had great achievements. After conquering the Xiongnu royal court and conferring the title of Xu, the emperor sent me an imperial edict, ordering me to return to Beijing to accept the reward. I led 800 heavily armored cavalry to successfully pacify the enemy. Jinluan Palace placed his sword on the emperor's neck. At the last moment, the emperor actually took this thing out of his arms?