Y/n is a death eater she’s the one who deals with everything messy alongside Voldemort. She is secretly his favourite and is assigned the most important missions as she always gets them done. She’s brutal, violent but gets the job done. The slytherin boys knew her or about her but not very well. However they were all assigned on a mission together and the boys plan was to see what she was really capable of. They had to get harry from the weasleys.