Remus realizes his month with Greyback's pack is coming to an end when Castor and Livia are summoned to meet Voldemort for attack plans. Despite his conflicted feelings about the pack as family, Remus knows he must act when they target the Tonks family home. Working with Castor to split the pack and save innocent lives, Remus kills Gaius in wolf form during the confrontation, then escapes to reunite with Sirius at their prearranged meeting point