Introduction: A fantasy world, with noble knights, wizards, elves and dwarves. What can you want more?How about undead, vampires, liches and monsters of a thousand kinds. A bit better right?Now let's add Chaos Gods and the Warp, with daemons and corrupted Beastmen, savage Orcs and Goblins and the end of the world in sight.  Excellent, you say?But let me tell you about the Skaven lurking underneath......