A piece of Armor or a Shield with this quality has its all of its Armor Ratings (AR, MR, etc) or BR reduced by X. If this would reduce AR or BR to 0, then the item is destroyed. Natural Armor cannot receive this Quality. All instances of this quality stack.
Weapons with this quality deal X less damage. If this would ever render a character incapable of dealing damage with the weapon, even with the maximum possible roll, then the weapon is destroyed. Natural Weapons cannot receive this Quality. All instances of this quality stack.