The Fate Adversary Toolkit provides tools for game masters to create compelling antagonists for any kind of Fate Core System game.  The 112-page hardcover book includes suggestions on how to build adversaries within the Fate Core rules, discussion of what makes up a good antagonist regardless of genre, new categories for adversaries, each with their own rules, and ideas of ways to use the environment to create interesting battlefields.  A collection of sample adversaries, sorted by genre, rounds out the book.

The Fate Adversary Toolkit is a supplement for the Fate Core System, and requires the Fate Core rules to fully use the contents.  The book was written by Brian Engard (Fate Core System) and Ed Turner (The Aether Sea).  MSRP is $15.00.