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World of Warcraft Item Upgrades The feature of upgrading items allows players to upgrade their existing equipment. This can be done at any r NPC. Upgrades increase the main stat of an item and also add extras depending on its type. Examples include Whistan's shield for FB sorcs or Goldwrap for build casters. Armour Armour is one of the most important factors that keep Link protected from injury in all situations. While it cannot be upgraded like weapons, it can be improved in a variety of ways