https://zenwriting.net/galleyz....one8/14-businesses-d
https://click4r.com/posts/g/18....163601/from-all-over
World of Warcraft Upgrades and Item Upgrading Upgrades increase the value of certain numeric stats on weapons, armor and rings. They also increase bonuses like PvE damage and crit chance. For example an item with the upgrade template ending in % will gain 3% attack damage every time it is upgraded (relative to its previous value). The cost of upgrading an item is determined by the item's le