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World of Warcraft Item Upgrades Item upgrades are items that can be inserted into trinkets, weapons and armor to add an extra boost to your stats. They can be found through vendors, missions, and even on the Trading Post. The upgrades to gear can boost the performance of your character's ship or character in battle. Gear that is upgraded increases in Mark Level and rarity. Upgrade components Upgrade components are items that can be slotted into armor, weapons, trinkets, and gathering tools to provide additional bonuses. These bonuses can