Snape faltered when a powerful shield flared up between his curse and the Dark Lord. Frozen in place, he watched Harry straighten from his crouch, slowly lowering his wand. The young man was healthy and whole, contrary to his gaunt appearance moments before. How was that possible? He looked up at Severus with an unreadable expression, as he said softly, "I told you. He's not been yours for a very long time."