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World of Warcraft - Item Upgrade Item upgrades allow players to increase the level of armor and weapons that can be equipped. This increases the effectiveness of the equipment, in addition to sometimes adding buffs or rolling an affix again. It is crucial to remember that upgrading magic and common gear isn't always worth it. Rare and exclusive gear will quickly outclass upgraded magic and common gear. Cost When a player decides to upgrade an item, they have to spend Gold to upgrade the item. The cost of upgrading an item is dependent on its current level as well