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World of Warcraft Item Upgrades Item upgrades give players the ability to upgrade equipment that they already own. This can be done at any NPC. Generally, upgrades increase an item's main stats and provide additional benefits based on the type. Examples include Whistan's shield for FB Sorcs, and Goldwraps for build casters. Armour Armour is one of the main factors that keep Link safe from harm in the majority of situations. While it cannot be upgraded like weapons, it can still be improved in various way