Amazon.com description: Product Description: Sentinels: Mortal Enemies is a supplement for the Legacy role-playing game. The Sentinels are a mysterious group of near-fanatic individuals who have dedicated their lives to hunting down and censuring Immortals. They have existed for hundreds of years, growing in power and resourcefulness. Sentinels: Mortal Enemies details the history and organization of the Sentinels. Also inside are dozens of detailed Non-Player Characters, new weapons and equipment, and new Accents for your Legacy campaign. There are also new alternate rules for Weapon Quality, GM tips for running a Post-Modern Legacy campaign, and much more. Sentinels: Mortal Enemies will add depth and excitement to your Legacy game!