Black Crusade[]
Some weapons are designed with precision in mind and respond superbly to skilled hands. They grant an additional bonus of +10 to the firer’s Ballistic Skill when used with an Aim Action, in addition to the bonus granted from Aiming. When firing a single shot from a single Basic Weapon with the Accurate Quality benefiting from the Aim action, the attack gains +1d10 Damage for every two Degrees of Success to a maximum of +2d10. These extra d10s cannot generate Zealous Hatred