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Path of Exile Item Upgrades The performance of many Path of Exile items can be improved by upgrading the performance of them. They can cause additional damage, AD or even affixes. Often times however upgraded Common and Magic gear is often surpassed by Rare-grade gear due to their high requirements. Armor Armor upgrades are a form of upgrade that can be used on weapons and armor items. They boost the performance of the item that they're connected to. Upgrades to armor are available in the world of the game and can be purchase