Cilla really focused on her happy memory as she waved her wand in a circular motion and said, "Expecto Patronum!" Her cheeks were a bit flushed from concentrating and her brow was slightly glistening. That wasn't important, though. As soon as Cilla said the incantation, what appeared to be a very transparent cat materialised in front of her.

"Professor? How am I doing?" Cilla asked, her voiced a mixture of nervousness and excitement.