https://informatic.wiki/wiki/1....5_Of_The_Best_Pinter
Item Upgrading and Rerolling in World of Warcraft Upgrades can be added to items to increase their stats. Upgrades are important for gear, particularly in the beginning of the game. Start by upgrading BiS (Best-in-Slot) items, then work on other items that are compatible with your style. The process of upgrading an item is accomplished by spending Upgrade Tokens on an item's upgrade window. The slots available for upgrading vary by item type. Upgrade components Upgrade components are special item