Three Kingdoms: Three Religions Unified

A history graduate student traveled to the late Eastern Han Dynasty and discovered that he had "fragments of the human heart" hidden in his body - he was not here to be the emperor, but to make Cao Cao, Liu Bei, and Sun Quan accept the concept of "the coexistence of the three religions." In the end, his thoughts passed through Sima Yi's hands and realized the return of the Three Kingdoms to Jin.