Enemies of the Empire (2010)

Since its inception, the Emerald Empire of Rokugan has faced challenge after challenge. From demonic hordes from the Shadowlands, to internal threats and conspiracies, the life of the samurai is anything but peaceful.
Enemies of the Empire features an array of challenges for players, and opportunities for gamemasters and players alike to add new flavor and new dangers to their travels in the Emerald Empire.
Enemies of the Empire serves not only as the bestiary for Fourth Edition, but also features threats of a more human nature. Delve into the conspiracies of the Kolat, the tainted ravings of the Lost, and the silent terror of the Lying Darkness. Explore the hard lives of ronin, and the strange cultures of the Naga, Ratlings, and other non-human races. And if your heart is strong enough, face the secrets behind the oni, spirits, and the undead.
Inside this tome you will find:
• A look at the many varied threats facing the Emerald Empire, with depth and detail on each.
• In-depth studies of the Kolat and their conspiracies, the Lost and the madness that takes them, Bloodspeakers and their vile cultist ambitions, and more.
• The horrors of the Shadowlands, including oni, goblins, the undead, and many unnatural beings that defy classification.
• Player character rules for ronin, as well as naga, ratlings, kenku, and other races.

From publisher.