Enemy in Shadows Companion includes:

• Exclusive insight and commentary from Warhammer Legends Graeme Davis and Phil Gallagher.
• The Empire: a look at the foremost power of the Old World, its politics and influence.
• Travel in the Empire: road travel, mounts, vehicles, and the hardy Road Wardens who struggle to keep the byways of the Empire open.
• A plethora of new NPCs to aid, hunt, frustrate, and scoff at your players.
• The Purple Hand: An in-depth look at that most insidious of cults, including a full new Career, The Cult Magus of Tzeentch.
• 25 new Chaos spells for the mad, the desperate, and those unafraid to wield true power.
• Three classic encounters, including the beastly Pandemonium Carnival and its terrible menagerie of monsters, not all of whom are caged.
• The classic adventure The Affair of the Hidden Jewel, a dramatic tale of heroics and intrigue with fully updated rules.