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Item Upgrading in World of Warcraft It is possible to increase the performance of your equipment by upgrading it. Certain upgrades can also enhance the look of your gear. Upgrading an item rerolls its affixes and other stats. If the item was originally equipped with Enhanced Defense, then its Enhanced Defense stat is upgraded to maximum +1. If it is not Enhanced Defense, then its value will be taken into account. Leveling The goal of leveling is to determine the relative heights of the points