The Horus Heresy Book Three - Extermination
|Preceded by||Book Two - Massacre|
|Followed by||Book Four - Conquest|
The third and final part of the Isstvan trilogy. This book details the aftermath of the Isstvan V Dropsite Massacre, and two other major battles fought between the Loyalist and Traitor Legions as the Horus Heresy swept out from the Isstvan system and into the wider Imperium of Mankind: the Battle of Phall and the Invasion of Paramar. Also featured are the background and game rules for the four Legions covered in this book: the Alpha Legion, Imperial Fists, Raven Guard and Iron Warriors, and a Mechanicum army list, plus new campaigns and vehicles.