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The Importance of Upgrades in World of Warcraft Upgrades are a new kind of item that can provide a boost to your stats. These can be used to upgrade your armor, trinkets and weapons. To calculate probabilities, item upgrades are based on "upgrade pity". This method is intended to limit the extremes of luck and provide an adequate safety net when upgrading. Armor The item upgrader allows players to upgrade the equipment level of their trinkets, armor and weapons. The upgrades are applied to the gear by visiting an item upgrader NPC with the appropriat