Fantasy Three Kingdoms, at the Beginning, Time Travel and Become a Great Sage Teacher

Zhang Jiao traveled to the fantasy world of the Three Kingdoms and became the great sage and mentor Zhang Jiao. This world is not like the original Three Kingdoms. This world has martial arts scholars and Taoist monks. It is divided into ten realms, one realm is the strongest, the tenth realm is the weakest, and there are immortals and gods above the ten realms. Everyone has their own abilities. It is true that a famous general can be defeated by a hundred people, and it is also true that a famous general can be defeated by ten thousand people. In this world, what kind of great power can Zhang Jiao, an ordinary college student, exert.