Not that the crisis had passed, Clara was beginning to respond more emotionally to the news that it was Tracey Davis that had poisoned her new friend. It was clear that a great degree of bad blood existed between them. “Why do you think she did it?” Clara asked, thinking back to Heidi’s “mysterious” Quidditch accident.
“All right.” Standing, Clara moved over to her desk and picked up a tall glass she’d stolen from the kitchens in her first year. “Scourgify,” she incanted, cleaning the glass before refilling it with a gentle jet of water from the tip of her wand.
Moving to sit back beside Tracey on the bed, Clara handed Sara the glass.
"What are you going to do?" she asked, leaving the question incredibly open-ended by design.