Ludo headed back into the bookshelves looking for that Potion book when he heard someone yell. He rounded a corner and found the Librarian scolding a Hufflepuff. What surprised him even more was the sight of the girl on the floor, unconcious and blood on her forehead.

He didn't want to put himself in the way but couldn't stop himself from offering help. "Madam Kohan! Do I need to fetch someone from the Hospital Wing?" he said.