Found on the seventh floor is a secret room known as the Room of Requirement or the Come and Go Room. This particular room is famous for transforming itself into whatever the witch or wizard that finds it needs at that moment in time (with some limitations, of course).

While many may have heard of this room, finding it is no easy task. Most happen to find the room by accident, typically when they are in great need of the loo or a place to hide, and are often unable to find it again. However, those that are attentive to detail will remember that the hidden entrance to this enchanted room can be found opposite of the tapestry of Barnabas the Barmy attempting to teach trolls ballet.

Simply walk past the wall three times and clearly think about what you need. After a few moments, a door will appear...