Only one upgrade can be added to each piece of equipment and, unlike poisons or oils, never wear off.Įquipment upgrades can be removed from an item using a Prying Kit, but at the cost of permanently reducing the item's maximum durability by 30%. Equipment upgrades (also frequently called kits or mods) are items that can be made at the Tinker's Bench and can be attached to armor, weapons, tools and shields to give them improved stats.