Potter flung himself upwards, but Draco was astonished to see him stalk over to the mirror and rip away the lace. His mouth was tight with guilt and horror but his haunted eyes morphed to surprise when he saw Draco in the mirror. Draco clenched his jaw, staring viciously at Potter but his eyes flicked to Granger again when she screamed, begging her friend and lover to stop his Patronus’ assault on her.