This book includes all the rules you need to forge a loyalist battlegroup for Adeptus Titanicus, Background for loyalist Titan Legions and Knight Houses- Revised rules for assembling your battlegroups- Rules for 16 Titan Legions loyal to the Emperor, including Legio traits, Stratagems and wargear- Rules for 12 Imperial Knight houses- 18 different maniples to use with your Titans- Allegiance rules for Loyalist Titan Legion Battlegroups, Questor Imperialis and Questor Mechanicus- Background and rules for Ordo Sinister Psi-Titans- 50 Stratagems for use by Loyalist battlegroups- 11 Loyalist upgrades- A comprehensive list of weapons available to each Titan, including weapon traits not featured in the core rulebook