https://yamcode.com/20-things-....you-need-to-be-educa
World of Warcraft - Item Upgrading The upgrade of an item allows players to increase an item's gear score up to 700 and add a final perk. Items can be upgraded by having them in inventory before heading to the kiln. Certain items are worth upgrading because of their unique stats. (For example the perfect roll breakpoint armor is used in melee PvP). Other items such as weapons aren't changed much after an upgrade, and aren't worth the cost. Weapons Weapons can be upgraded to boost their numeric stats like the c