Hp Is the Oldest Person in the Audience and Does Not Accept Refutation

As we all know, Hogwarts is an excellent magic school with a long history and good reputation... What is little known is that at the beginning of her school's founding, a resolute anti-Vatican radical witch full of ancient medieval ideas was sealed here by the four giants. For hundreds of years, this powerful witch who hates the Holy See and is proficient in alchemy and various skills has been holding a professorship. The subject she teaches is - the history of magic, which has always been ranked No. 1 As the most boring subject... What will happen if you have rigid professors + boring subjects~ Idea: If the biggest player in the room is neither Nick Flamel nor Dumbledore...