https://output.jsbin.com/xawasimine/
https://melvin-mckay-3.technet....bloggers.de/15-twitt
World of Warcraft Upgrades and Item Upgrading Upgrades can increase the value of armors, weapons and rings. They also boost extra bonuses such as crit chance and PvE damage. For instance, a weapon with the upgrade template that is ending in % will gain 3damage to attack each time it upgrades (relative to its previous value). The cost of upgrading an item is determined by the item's level. The cost increases as the level of the item