https://articlescad.com/why-it....em-upgrade-is-your-n
The Item Upgrader in World of Warcraft The War Within introduced two gear upgrade currencies, Valorstones and Harbinger Crests. They can be exchanged at the item upgrader NPCs, Cuzolth and Vaskarn. Each item can be upgraded up to its maximum level once for a slot. Upgrades to that slot will be less expensive afterward. In addition, the pity system introduced with The War Within lowers extreme upgrade luck variance. Upgrades Upgrades are parts that enhance performance or add new features. They can be bought
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