Harry Potter: The Vampire Headmaster from Five Hundred Years Ago

Alice Slytherin, a half-blood witch born to the Slytherin family and a vampire, was more powerful than any wizard of her era. As the last heir of the Slytherin family and the headmistress of Hogwarts for two hundred years, her status was more exalted than anyone else’s. After a battle against the Pope and Heaven, she fell into a deep sleep. When she awoke, she found herself in the well-known postmodern era. To her, it was a time of peace. So why were people in this era so weak?