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World of Warcraft - Item Upgrade The upgrade of items allows players to increase the level of weapons and armor that are equippable. This increases the stats and can also add buffs or rerolls an attach. It is important to remember that while you can upgrade magic and common equipment, it's generally not worth it. Rare and Unique gear will quickly outclass the standard gear and upgraded magic. Cost The player must spend gold to upgrade an item. The cost to upgrade an item depends on the item's current level and type of upgrade. For instance, upgradin