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https://blogfreely.net/waspdre....ss54/what-item-upgra
The Item Upgrader in World of Warcraft The War Within introduced Valorstones, and Harbinger Crests as two currencies to upgrade gear. These currencies can be traded at the rs NPCs Cuzolth and Vaskarn. Each item can be upgraded to its highest level for a specific slot once. After that, upgrades to that slot will be less costly. The pity system, which was introduced in The War Within, also lowers the extreme upgrade variance. Upgrades Upgrades are c