Voldemort stared at him, disgust and disbelief mixed in his snake-like eyes. Hermione inched forward – if only she could force the wand out of his fingers. "Expelliarmus," she whispered, but the wand didn’t budge. She didn’t know if it was because she was attacking the wand that was invincible or if her own wand wasn’t obeying her properly. It could be both.