Sire of the Sons of Horus
(Rule)Description: 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 Tactical Squad Units and/or Despoiler Squad Units, 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 Infantry and Primarch Type with the Sons of Horus Trait in the same Army:
• Until the end of the first Battle Turn of the Battle, The Controlling Player of a Model with this Special Rule can add +1 to the Move Characteristic of Models from their Army with the Sons of Horus Trait (Excluding Models with the Vehicle Type).