Hogwarts murderer

It’s an average gloomy day at Hogwarts when suddenly Dumbledore is running around telling kids to get in their dorm there’s a serial killer on the loose you can be it if you want ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~. Your description If not murderer: A helpful calming reassurance person girl with long blonde hair 👱🏼‍♀️ and blue eyes If murderer: No description needed