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World of Warcraft - Item Upgrade Item upgrades allow players to raise the item level of weapons and armor that are equippable. This boosts the stats of the item and may also include buffs or rerolls an attach. It is important to remember that upgrading common gear isn't always worth the cost. Rare and unique gear will quickly outclass upgraded magic and common gear. Cost The player has to spend gold to upgrade an item. The cost of upgrading an item is dependent on its current level and ty