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World of Warcraft - Item Upgrade Item upgrades allow players to increase the level of weapons and armor that are equippable. This improves the effectiveness of the gear, as well as sometimes adding buffs or rerolling an affix. It is important to remember that although you can upgrade your magic and common equipment, it's generally not worth the cost. Rare and exclusive equipment can quickly outperform upgraded magic and common equipment. Cost When a player decides to upgrade an it