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World of Warcraft - Item Upgrading Upgrades to items allow players to increase the level of their armor, weapons and trinkets. Some upgrades have special effects while others boost numeric stats. Item upgrades are a vital aspect of a player's growth in Path of Exile. They help improve gear/ship damage and overall effectiveness in combat. Generally, items that don't change in terms of requirements after upgrading (like Eth Titans) will receive a slightly lower trade value than non