You also can join up with your friends and defeat tough tower bosses with multiplayer ship combat. (pirate101.com)
Allies will join your cause, so equip them with weapons, and use their skills to slay towering bosses. (nintendowire.com)
Shadow Tower boss fights will cull other players» effects to allow you to better see the effects of the boss on your character, while PvP will prioritize attack effects of others around you. (mmogames.com)