It was easy to follow the line of students through the castle... up until you reach the moving staircases where the line would cut and you had to make detours and some running to catch up again. Good thing she'd lived in this castle for six school years, it paid off. Once everyone filed out to the courtyard, the Ravenclaw slipped her bag down from her shoulder and laid it against one of the pillars lined around the courtyard, and approached the excited professor.

The devices circling the place caught Louisa's attention and she found herself staring at the closest one to her as she waited for further instructions. Hmm...