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World of Warcraft - Item Upgrading Item upgrading allows players to boost 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 take them to the kiln. Certain items are worth upgrading because of their distinctive stats. (For instance, a perfectly roll breakpoint armor is used in melee PvP). Other items, like weapons don't really change after an upgrade, and aren't worth it. Weapons Weapons can be upgraded to boost their numeric stats such as crit chance, attack damage PvE and