She shivered when remembering the dagger he had slipped into her boot. The metal had been cold, but she had been unable to resist him. Her energy had been so low by that point that any attempts to fight him only drained her further. The moment in which Greyback delivered his instructions to her, however, was like a blow to her already-fragile psyche. She had killed Ron. She knew it even before the moment flashed; the shock and fear in his blue eyes made her eyes begin to water. She had killed her best friend, the young man she was certain she was falling in love with.