https://postheaven.net/dangerr....otate07/item-upgrade
https://haley-kenny-2.blogbrig....ht.net/why-you-shoul
World of Warcraft Upgrades and Item Upgrading Upgrades can boost the value of weapons, armors and rings. Upgrades can also boost bonuses like Crit chance and PvE Damage. For instance, a weapon with the upgrade template ending in % will take on an attack damage of 3% each time it is upgraded (relative to its previous value). Item upgrading costs crests and the current level of the item. The cost increases with it