Sire of the Thousand Sons

If a Model with this Special Rule is part of an Army, then the Controlling Player may apply the following additional Special Rules to all Auxiliary, Apex and Primary Detachments that have the same Faction Trait as the Model with this Special Rule: If four or more Troops Battlefield Role Slots in the Primary Detachment of this Army are filled with Units which have a Prosperine Arcana, then all Force Organisation Slots with the Troops Battlefield Role in the Primary Detachment are considered Prime Slots. Furthermore, if a Model with this Special Rule is part of an Army, then the following Special Rules are granted to all Models with the Thousand Sons Trait in the same Army: Until the end of the first Battle Turn of the Battle, whenever the Controlling Player of a Model with this Special rule makes a Manifestation Check for a Unit that only includes Models with the Thousand Sons Trait, they may roll three Dice and select any two to determine the result.