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.
Building an army? Create, validate and share your list with New Recruit, army builder for Warhammer 40,000 10th Edition and many more games.
Try the builder