https://click4r.com/posts/g/18....151684/why-we-do-we-
World of Warcraft Upgrades and Item Upgrading Upgrades can boost the value of weapons, armors and rings. They also increase bonuses like crit chance and PvE damage. For instance a weapon that has the upgrade template that is ending in % will gain 3% attack damage every time it upgrades (relative to its previous value). The cost for upgrading items increases when they reach the item's current level. The cost rises with item's level. Components Upgrade components can be added to trinkets, weapons and