Lupin Tends to Ron's Injuries and Prepares to Return to Hogwarts

After agreeing not to kill Peter Pettigrew, Remus Lupin uses magic to bind Pettigrew and heal Ron Weasley's broken leg. Lupin also binds Severus Snape, who remains unconscious, and prepares the group to return to Hogwarts. Ron, furious over Pettigrew's betrayal, agrees to help ensure Pettigrew remains captured.