Each time an attack targets an Adeptus Astartes Infantry or Adeptus Astartes Mounted unit from your army, if the Strength characteristic of that attack is greater than the Toughness characteristic of that unit, subtract 1 from the Wound roll.
Enhancements
Tempered in Battle (Aura)
Adeptus Astartes model only. While a friendly Adeptus Astartes unit is within 6" of this model, you can re-roll Battle-shock and Leadership tests taken for that unit.
+10
Deathwing Assault
Deathwing model with the Deep Strike ability only. The bearer’s unit can be set up using the Deep Strike ability in the Reinforcements step of your first, second or third Movement phase, regardless of any mission rules.
+15
Lord of the Ravenwing
Ravenwing model only. You can re-roll Advance and Charge rolls made for the bearer’s unit.
+15
Ancient Weapons
Adeptus Astartes model only. Improve the Strength characteristic of melee weapons equipped by the bearer by 2, and improve the Armour Penetration and Damage characteristics of those weapons by 1.