https://yusuf-damborg-4.blogbr....ight.net/upgrade-you
World of Warcraft Upgrades and Item Upgrading Upgrades can boost the value of certain numeric stats on armor, weapons and rings. Upgrades also boost bonuses like Crit chance and damage from PvE. For example an item with the upgrade template that ends in % will take on an attack damage of 3% each time it is upgraded (relative to its previous value). The cost of upgrading an item is determined by the item's level. The cost rises with item's level. Components Upgrade components can be incorporated into trinkets