Professor Slughorn moved to Daphne’s cauldron and inspected it. Daphne’s eyes betrayed the cool exterior. She was nervous. Professor Slughorn dropped the leaf into the cauldron. After a couple of moments, I saw smoke rise from the cauldron. "Excellent, Ms. Greengrass! That is certainly the best attempt I have seen so far." Daphne relaxed and looked at me, I gave her a reassuring smile.