Ron Saves Harry from Drowning and Destroys the Horcrux

Ron finishes explaining how he had dived into the frozen pool to rescue Harry and then returned to retrieve the sword. He recounts how they opened the Horcrux together, and how he stabbed it with the Sword of Gryffindor, destroying it. The Horcrux had tormented Ron with visions of Harry and Hermione, but he overcame them to destroy it.