https://yamcode.com/10-things-....people-hate-about-it
World of Warcraft - Item Upgrading Upgrades to items allow players to boost the gear score of an item up to 700, and then add an additional perk. Items can be upgraded by having them in inventory, and then taking them to the kiln. Certain items are worth upgrading because of their distinctive stats. (For example an excellently rolled breakpoint armor used in melee PvP). Other items like weapons don't really change after an upgrade and therefore aren't worth the cost. Weapons Upgrades to weapons can increase their numerical