"Oh, detention does sound horribly boring. No no... I think you're right." She looked over at Saffron. "Who is your head of house again?" It was then that something at her waist started wiggling. It looked like some sort of little white puffball, clipped to her belt. "Hmm? Oh, is there something?" She pulled it from her belt and it turned to some sort of gelatinous, yet solid, looking cube. She started twisting at it, frowning. "Oh, how does this thing work again?"