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World of Warcraft - Item Upgrade The upgrade feature for items allows players to increase the level for weapons that can be equipped or armor. This boosts the stats of the item and sometimes adds buffs or rerolls to an affix. It is important to keep in mind that even though you can upgrade magic and common equipment, it is generally not worth it. Rare and unique gear can quickly outperform upgraded magic and common equipment. Cost The player has to spend gold to upgrade an item. The cost of upgrading an item depends on the cu