If this Action is taken by a Dreadhorde, the Dreadhorde deals 1% of its Effective Combat Strength in damage to the Security of the Region it is located in.
If the Security is reduced to zero in this way, the remainder of the damage is dealt to the Economy of the Region.
If the Economy of the Region is reduced to zero in this way, or was already zero, the Region gains +1 stack of the Conquered Trait.
If a Army takes this Action, the Region loses -1 stack of the Conquered Trait at the end of the Round.