HP: Do Professors Also Need to Study Muggle Studies?

It begins with the arrival of a strange new neighbor at No. 5 Privet Drive. Harry's life suddenly changed For the eight hundredth time, Cody Silman began to regret his random experiments with time magic and ancient magic. Why did he suddenly travel to 95 years later? What does it mean for Dumbledore to become the headmaster? What does it mean that the Dark Lord wants to rule the world? What do you mean no one uses ancient magic anymore? What does it mean that technology suddenly accelerated in the Muggle world? The Muggle world has become something that no one can understand! The story of the protagonist in the original work "The Legacy of X" No CP, the protagonist is invincible, the main plot is weak, and it focuses on daily life in the magical world and raising children.