Mastery System of the Universe: Starting with Harry Potter

The middle-aged social beast who accidentally obtained the proficiency system began to take off in the world. The author is currently updating the chapters of the Harry Potter world, and has a certain amount of manuscripts saved. In the future, he plans to add anime and novel worlds such as Naruto and Marvel. The details will depend on subsequent readers' feedback. I hope to create a satisfying novel world for fun. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.