Eye of a Doe

All he could see was the vision from the dream he'd had. Dumbledore falling back as the wand slipped from between Snape's own sweaty fingertips. The Dark Lord in his pleasure, torturing Umbridge once he found her. Her mangled body hung suspended beside Harry Potter's motionless one in the Great Hall as she screamed in terror for Snape to save her, but, as usual, he was too late.