Am I Actually the Villain from Another World?

[Time Travel + Magic + Immortal Cultivation + Dual Personality Male Protagonist] By chance, Qing Heng accidentally traveled to a place full of all kinds of magic and strange beasts. Later, with the help of others, he entered the local magic academy, and discovered in the academy that he actually possessed the power of the strongest demon in the world. And personality, and then learned from the mouth of the devil about another time traveler called "god" or "him". After experiencing a series of things, Qing Heng made a decision that went against the mainstream of the world, that is, he would no longer learn magic, but study the path to immortality on his own, and keep looking for "him".