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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. They can be traded at the NPCs of item upgraders Cuzolth and Vaskarn. Each item can be upgraded to the highest level for a specific slot once. After that upgrades to the slot will be less expensive. Additionally the pity system that was introduced in The War Within lowers extreme variation in the chance to upgrade. Upgrades In gaming, upgrades are replacements for components that improve performance or offer new capab