Diana took no notice of what was going on as she chewed on a sugar quill while trying to remember what wartcap powder is and what it does. She began shuffling through her potions notes about it.

However, in the process of finding her potions notes, the front pocket of her bookbag was open and a small bottle of ink fell out of it and shattered, spilling ink all over the floor.

Diana heard the shatter. "Uh-oh."