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World of Warcraft - Item Upgrading The upgrade of an item allows players to boost the gear score of an item to 700, and then add a final perk. Items can be upgraded if they're in your inventory and you take them to the Kiln. Certain items can be upp'd to benefit from their unique stats (like a perfectly made breakpoint armour that can be rolled to use in melee PvP) while others like weapons don't change much post upgrade, and therefore aren't worth upgrading. Weapons Weapons can be upgraded to increase their nume