Inside the inner room of the Hogwarts dungeon classroom, in the Potions master's private workshop, busy figures moved back and forth.
The lighting here was dim. The air drifted with a unique aroma blended from various herbs and magical ingredients.
"Devereux," Professor Snape's voice was low and powerful. "Make sure every ingredient you add has been precisely measured. We cannot have this potion become the excuse for your next experiment's failure."
Chapter 72