TO learn all social moves, everything from apologize to Swear, defeat Jack of Blades. Once he's dead, you'll read the credits DO NOT SKIP THESE. Once the credits finish, you'll be rewarded for your quest, with gold galore, and 20,000 reputation points, as well as Jack's Mask. Confirm the completion of the quet, and you'll once again be in the Guild Center. You'll have learned all social moves.