Slytherin Castle is occupied by Slyvain Slytherin and his girlfriend Berry Jerik. It's very beautiful as it has that dark and stormy night feel but it has 2 rose gardens but the roses arent red but a dark color. It has hidden secrets and has atleast 50 rooms most in secret places in the castle. The place has a gate that is charmed and has the Slytherin crest on it. The main bedroom is where the couple sleeps. The castle is very beautiful to look at. It has atleast 5 levels to it.