Slytherin's sister died in the first defense of Hogwarts, but because of an unexpected experiment in the past, she traveled thousands of years later and became Harry Potter's classmate.
Sarina: My brother's descendant is a noseless monster? ? ? ?
Voldemort:......
Sarina: And she made her brother and Godric's love token into a Horcrux? ?
Voldemort:......
Intention: emmm