Another question posed by the Professor made Adi put on his thinking cap again. Figuratively, of course. Some of the answers provided by the students were very much interesting. He himself had nothing really interesting to add.

He thrust his hand up and said, "A charm that would just keep the cold from touching any part of the castle or grounds.'' Like the charms and such that protected Hogwarts from intruders, though he hadn't the foggiest idea of what the type of charm he suggested might be.