The archers of Harwick can focus their fire if you present them with a target.
'We are low on supplies and weapons, but that does not mean we cannot fight back. Even without swords, a soldier can still strike at the enemy from afar with a good bow and a stack of arrows. That is presuming he has a target to focus on. That is where you come in, ${PLAYER}.
'When you are near the Easterlings, raise this flag and the archers from Harwick will fire over the wall and strike any enemies around you. Direct them, and we shall win this battle.'
Direct archers with your flag while defending Harwick.
Wulfin has given you a flag you can use to direct the archers defending Harwick.