City of Origin of Heroes

In the year 2022 of the Qing calendar (5302 of the Earth calendar), Zhang Qifeng, a historical archaeologist from Qing Dynasty, found a diary in the Origin City of Central Lake. From this diary, he obtained the history and secrets of the Origin City. A year later, there were rumors that Wang Xueying ran away from home and kidnapped Zhang Qifeng, a direct descendant of the Zhang family. There were even rumors that the two fell in love at first sight in Origin City and then eloped, but no one knew the true situation. Sixteen years later, a young hero appeared in East Han City. He walked through the Hero's Road alone. He had great skills but worked anonymously as a guard for the Wang family. What was his purpose?