They don't turn up too much in the earlier parts of the book, but every time they do it's a delight. These nasty blighters are a race of hideously mutated rats, and when run properly they can alternate between slapstick stupidity and creeping horror over the course of a single sentence.

There are a handful of reasons you might do this, but chief among them has to be this volume's designated bad guys - the Skaven. However, though the book itself is at pains to point out that it works best when used as part four of five, you could get a lot of mileage from running it solo - albeit, with some of the long term plot threads trimmed out and the party's starting XP cranked up.

As the fourth and penultimate part of the sprawling Enemy Within mega-campaign, The Horned Rat is designed to slot into an ongoing game set in and around the city of Middenheim, and a decent chunk of its content is devoted to keeping the threads of chaos corruption and general unrest that have been neatly cultivated in previous volumes.

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