Age of Empires IV: The Sultans Ascend – this is an exciting expansion to Age of Empires IV that delivers the first campaign in the series featuring naval battles. The action unfolds both on land and at sea, where you will command new heroes, employ unique abilities and mechanics. Buy The Sultans Ascend and immerse yourself in a new campaign set in the Middle East, where you will lead forces in the defense of your homeland. The expansion also includes two entirely new playable civilizations – the Japanese and the Byzantines, as well as four variant civilizations that reimagine some of the original civilizations from the base release of Age of Empires IV. The expansion also features eight missions divided into four chapters, each of which takes players into the era of the Crusades (1095–1291 CE) from the perspective of Muslim leaders and forces fighting against the Crusaders.