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Item Upgrading in World of Warcraft It is possible to increase the performance of your equipment by upgrading it. Some upgrades can improve the appearance of your equipment. Upgrades can be used to reroll affixes and add extra stats. If the original item was equipped with Enhanced Defense, its Enhanced Defense stat will upgrade to max +1. If it's not Enhanced Defense, then its value will be played. Leveling The process of leveling is to measure and determine the relative heights of the points in relation to a datum. A typical proce