Samurai Empire is the seventh edition (sixth expansion) of Ultima Online. It adds unique Japanese-themed content, such as the new Ninja and Samurai professions, as well as a new landmass, the Tokuno Islands (the Land of the Feudal Lords first introduced in Ultima I). This expansion also introduces a powerful new guild system, new dungeons, enhancements to the house customization system, and a whole collection of new monsters, weapons, and wearable items.