https://articlescad.com/whats-....holding-back-from-th
The Item Upgrader in World of Warcraft The War Within introduced two gear upgrade currencies: Valorstones and Harbinger Crests. These currencies can be traded at the item upgraders NPCs Cuzolth and Vaskarn. Each item can be upgraded to its maximum level for a given slot once. Upgrades to the slot are less expensive afterward. The pity system, introduced in The War Within, also reduces the extreme variance in upgrades. Upgrades Upgrades are elements that boost performance or add new features. Upgrade