https://www.openlearning.com/u..../kirbystaal-sldrgm/b
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 NPCs, Cuzolth and Vaskarn. Each item can be upgraded to the maximum level once for a slot. Then upgrades to that slot will be cheaper. Additionally the pity system introduced with The War Within lowers extreme chance of winning upgrades. Upgrades Upgrades are elements that boost performance or add new functionality. Upgrades can be bought or ear