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World of Warcraft - Item Upgrading Item upgrading allows players to increase the gear score of an item to 700, and then add an additional perk. Items can be upgraded if they are in your inventory and you bring them to the kiln. Certain items are worth upgrading because of their distinctive stats. (For example the perfect broken point armor that is rolled can be used in melee PvP). Other items, like weapons aren't changed much after an upgrade and therefore aren't worth it. Weapons Weapons can be upgrad