“Sybill at Her Battlements”
Sybill waved her wand and lined up another row of crystal balls. She still had a few dozen more on her shelves. Bringing to her mind the Dark Mark, Sybil aimed a fresh barrage down among the combatants. Every missile swerved among the Hogwarts defenders, and each hit a Death Eater; some foes fell to the ground, many knocked senseless. None who were hit were left unscathed.
Sybill almost smiled as she Summoned another dozen balls to her window. As Minerva had long before advised her, she’d kept her wits about her. Her wand let loose another hail of crystal.