Devastator Doctrine

The armour penetration characteristic of heavy weapons and grenade weapons is improved by 1 whilst this combat doctrine is active. E.G. AP 0 becomes AP -1
Speed of the Raven- add 3" to the move characteristic of Ravenwing models. Ravenwing units from your army eligible to shoot with in a
turn in which they advanced. Each time a model in that unit makes ranged attack in a turn in which it advanced, that attack suffers the assault weapon penalty to the hit