https://gallagher-byrne-2.thou....ghtlanes.net/learn-a
https://lawrussia09.bravejourn....al.net/how-upgrade-i
The Item Upgrader in World of Warcraft The War Within introduced Valorstones, and Harbinger Crests as two currencies to upgrade gear. These can be traded with the NPCs for upgraders of items Cuzolth and Vaskarn. Each item can be upgraded to its highest level for a specific slot at a time. Upgrades to that slot are then cheaper following. In addition, the pity system introduced in The War