Swipe's crew finished their mission and set off the water trap killing 31,000 men of Circe's forces. This allowed the Londres allied forces to come through the pass and reinforce the men at Londres.
This made Brand very happy, but he is still depressed that his son Wilmer has been kidnapped. As part of the kidnapping, it seems that he has been told to withdraw from consideration for king or something bad will happen to Wilmer.
Brand throws a big party in honor of the victory in the pass, Swipe's gang is the guest(s) of honor