The player joins the Burthorpe Imperial Guard in fighting off trolls in the Troll Invasion minigame. Upon first speaking with Captain Jute, the Captain mistakes the player for a new recruit within the Imperial Guard. When the player reveals that in fact they have never been part of the Imperial Guard, they are invited to join, and to participate in battle against the trolls. Upon agreeing to join, the player gains access to the Troll Invasion activities.