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The Importance of Upgrades in World of Warcraft Upgrades are a brand new type of item that provides a boost to your stats. They can be used to upgrade trinkets, armor and weapons. To calculate probabilities, upgrades use a "upgrade pity". This system is designed to reduce the risk of losing money and offer an insurance policy in the event of an upgrade. Armor The item upgrader allows players the ability to upgrade equipment levels of their armor, weapons and trinkets. The upgrade is a