- Requisitions Ravenwing-specific infantry, vehicle, and hero units. - Provides access to the chapter's most powerful units and abilities. - Contains research to improve infantry squads and Sergeants. - Produces: Attack Bike and Close Combat Bike Squadrons, Land Speeders, Land Speeder Tempests and the Darkshroud. - Allows Land Speeders (all types) to be directly teleported into a battle, immediately after production. - Builds notable units: Master of the Ravenwing Bike and Land Speeder. - Builds the mighty Ravenwing Hero: Sammael, Grand Master of the Ravenwing. - Hero units can be built only once, and if they die they can never be rebuilt.