In this story the male reader and Merula were the only Slytherin that never bullied Mudbloods and Blood traitors and Merula never assembled her gang and her parents were never death eaters. the dragon patronus is the most powerful and rarest Patronus charm. Also Cedric never died P.s. this story will take place in 1991 and the male reader and Merula are around the same age and as they get older they had a secret crush on each other