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World of Warcraft - Item Upgrading Item upgrading allows players to raise the level of their armor, weapons and trinkets. Certain upgrades can have special effects while others boost numeric stats. Upgrades to items are an essential part of a player's progression in Path of Exile. They increase the damage of your ship or gear and overall effectiveness in combat. Most items that don't change in terms of requirements following upgrading (like Eth Titans) will see a