The Enemy Within is the first supplement for Warhammer Fantasy Roleplay and launches an epic campaign against the forces of Chaos. The pack concentrates attention on the mighty Empire and is a definitive guide to this part of Warhammer Known World. Full background information covering the history, geography, politics and religions of the Empire is included as well as invaluable material on starting and running the campaign.

And you can begin the campaign straight away with an exciting and intriguing adventure which introduces the players to the Empire and involves them in a sinister plot which could rock the very foundations of their world!