This product includes Fantasy General II Onslaught . Base game required. The top 3 reasons to play Fantasy General II Onslaught 13 new aerial units including Giant Eagles, Nightmares, Flamethrowers, Hunters and Firebirds A campaign of over 30 procedurally generated maps to choose from providing massive replayability, where you select your preferred hero and go on the hunt for the Book of Krell and face The Unspeakable A new map for the Invasion campaign introducing the aerial units and a Barbarian Clan of Eagle Riders. About Fantasy General II Onslaught 13 new aerial units