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The Importance of Upgrades in World of Warcraft Upgrades are new items that increase your stats. You can upgrade armor, weapons and trinkets with these. Upgrades to items employ a method known as "upgrade pity" to calculate probabilities. This system is designed to reduce the risk of losing money and offer a safety net when upgrading. Armor The item upgrader lets players upgrade the level of their equipment for their trinkets, armor and weapons. The upgrade is applied to gear when you visit an upgrader NPC using the appropriate currency. When you up