Once inside the Great Hall, she watched in silence as the Headmistress, Minerva McGonagall, flicked her wand at the ceiling in a series of complex motions. When she’d finished, the massive enclosure perfectly reflected the sky outside: a brilliantly clear blue without a single cloud in sight. Hermione had always loved the effect of the ceiling, but she had never before witnessed the enchantments being performed. The smile on her face fled when she lifted her gaze and saw an enormous Thestral fly overhead.