House Greyjoy is the undisputed ruler of the Iron Isles. The archipelago off the cost of Westeros is full of dangerous currents that make them treacherous to untrained sailors. But those that sail under the Kraken banner are some of the most capable around. With the war for the Iron Throne distracting the Houses on the mainland, House Greyjoy has taken the opportunity to step up their raiding along the coast. Seaside communities fear the sight of the Kraken Banner on the horizon.