A Hogwarts Wizard Supreme

Introduction: Time can be stopped, but the cost is that the caster will also be stagnated; time can be reversed, and the cost is the future time of the caster. ——Supreme mage Li Fei.A story about a Doctor Strange who comes from Hogwarts and sits in Hogwarts.No system, no blackening; no super brain, no superstitious science; the key point is not tired, the protagonist does not have so many gloomy stalking dogs, the meaning of Li Fei's coming to this magical world is to explore the magic world