Leah watched as Dean reached for the branch. She laughed at him. "You? A servant of Heaven? Please."
She went on mocking him. He punched her and grabbed for the weapon. She wasn't worried. It wouldn't work.
He plunged it into her. She felt herself dying. She had no idea how this was possible. She had spoken to some of the demons as they were making plans. They had warned her not to underestimate Dean Winchester. As she looked into his eyes she realized that she had underestimated him because he had underestimated himself.