Night Troll

Prologue

"Good morning sleepy head. Figured we'd let you sleep in. I'm just about to pop over to the store to grab what we need for your birthday dinner. Any last requests?" Lex's father, Amos, greets her as she pulls a bowl from the cupboard. "Cedric says he needs you to pick up Bertie Botts Every Flavoured Beans for the cake. So you might want to get another cake to be safe." She replied with a straight face. Her father laughed her off and insisted it would be fine as he left for the store.
It was quiet in the kitchen for only a moment before there was a scream, "Ah! Night troll!" Lex felt something smack her shoulder. She looked up from where she was pouring milk into her cereal to see her older brother Cedric standing in the kitchen entryway with an empty hand raised. Her eyes bugged out as she looked at what had abruptly interrupted her breakfast and saw the Hogwarts crest.
"Did you just whip my Hogwarts letter at me?!"
"No. I whipped it at some ugly thing standing in my kitchen."