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World of Warcraft - Item Upgrade The upgrade feature for items allows players to boost the item level of equippable weapons or armor. This boosts the power of the equipment, in addition to sometimes adding buffs or rolling an affix again. It is important to keep in mind that upgrading magic and common gear is not always worth the cost. Rare and unique gear will soon surpass the standard equipment and upgraded magic. Cost The player has to spend gold to upgrade an item. The cost of upgrading an item depends on the item's current status and the type of upgrade. For