With another flick of her wand, the shield she had exploded outward like shattered glass. The force of it hit and buckled against Draco's shield charm, but it held firm. She spun on her heel and went to the lift, plucking the knife out of Dolohov's hands and turning to throw it at us. Her eyes lingered on the exploded remains of the House Elf, and I couldn't help but remember the duel that started all of this. Trixymort laughed for some reason (perhaps she remembers killing dobby?) as she put her hands on Lavender's head, poised to snap the witch's neck in a heartbeat.