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World of Warcraft Item Upgrader The upgrader for items allows players to improve the performance of weapons and armor. It requires a Power Dices as well as the items needed to perform the upgrade. Upgrades cost Valorstones, and depending on the upgrade track you choose, a certain number of Harbinger Crests. There is also a chance to fail. Failure to upgrade will cause the item to lose its upgrade level as well as the materials used to upgrade. Recyclable Items The item upgrader in World of Warcraft allows players to upgrade t