In addition to the core rules, you’ll need an army list to draw your force from – and that’s where the Liber books come in. Each contains a wealth of game rules and unit profiles to help you construct your perfect army, from wargear options and unique Detachments to points costs and Advanced Reactions. Each major faction has their own book, with the Legiones Astartes split into Loyalist and Traitor halves, as follows