https://botdb.win/wiki/The_10_....Most_Infuriating_Upg
The Item Upgrader in World of Warcraft The War Within introduced Valorstones, and Harbinger Crests as two currencies for upgrading gear. These currencies can be traded with the NPCs for upgraders of items Cuzolth and Vaskarn. Each item can be upgraded to the maximum level once for the slot. After that upgrades to that slot will be less expensive. The pity system, which was introduced in The War Within, also reduces the extreme variance in upgrades. Upgrades Upgrades are components th