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The Item Upgrader in World of Warcraft The War Within introduced Valorstones, and Harbinger Crests as two currencies to upgrade gear. These can be traded with the NPCs for upgraders of items Cuzolth and Vaskarn. Each item can be upgraded to its maximum level for a specific slot at a time. Upgrades to that slot are then cheaper afterward. In addition, the pity system introduced with The War Within lowers extreme chance of winning upgrades. Upgrades In gaming upgrades are components that improve performance or provide new functionality. They can be bo