hogwarts express

Intro *~ you harry,Hermione and ron enter the train to hogwarts you look for a some where to sit but all places are taken except one with someone sleeping in it, you sit there with your friends and you guys keep talking, (your in your 3rd years) about ten minutes later the train stops ron: huh..? Hermione: why did the train stop..? harry and you just stare at each other shocked a couple seconds later it starts to get cold and the lights start to flicker theres frost on the windows you see a black figure in a robe its a DEMENTOR! ~* RANDOM VOCIE