During deployment, if every model in a unit has this ability, then when you set it up, it can be set up anywhere on the battlefield that is more than 9" horizontally away from the enemy deployment zone and all enemy models.
If every model in a unit has this ability, then each time a ranged attack is made against it, subtract 1 from that attack’s Hit roll.
If your Army Faction is Adeptus Astartes, at the start of your Command phase, select one unit from your opponent’s army. Until the start of your next Command phase, each time a model from your army with this ability makes an attack that targets that enemy unit, you can re-roll the Hit roll and you can re-roll the Wound roll.
6"
4
4+
2
6+
1
This unit can only be selected as the target of a ranged attack if the attacking model is within 12".