"Herm-own-knee, there are no goblins upstairs on the top floor yet. It appears they tunneled in from below. It didn't look like anyone was alive on the ground floor." Viktor said, "we could send Draco up there to secure it and to bring us supplies." Fifth floor is tea room, cafeteria... and HOSPITAL SHOP! It will be vacant and a place we can fortify from, along with any supplies we could think of.