The Stand-In in Hogwarts

Why did Voldemort wear the stone ghost face? Why did Dumbledore pick up the great sword? Why does Hogwarts sound "Euler" at night? Why do muscular men often appear behind others? Is all this a distortion of human nature or a loss of morality? Let "The Substitute in Hogwarts" take you to a new magical world. This book is the world view of Harry Potter, The early plot is mainly based on the original work and the magic system ⚠️Attention⚠️The later plot will deviate significantly from the original work, and the substitute will be the main fighting method! ! ! If you mind, please cast a Muggle-Repelling Charm on yourself.