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Path of Exile Item Upgrading Players can upgrade their weapons and equipment by adding new affixes. They can also improve its base stats or add additional benefits. To upgrade an item, a player has to have it in their inventory as well as access to the kiln. Items with weak bases, such as rings, can be upgraded into a stronger base. Items with strong bases, like eth Titans have little changes in their stats. Upgrade components Upgrade components can be added to armors, weapons trinkets, weapons an