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World of Warcraft Item Upgrades Item upgrades are items that can be slotted into trinkets, weapons, and armor to give a stat boost. They can be found through vendors, missions, and also on the Trading Post. Upgrades to gear can improve the effectiveness of your ship/character in battle. Upgrading gear increases its Mark Level and Rarity. Upgrade components Upgrade components are items that can be put into armor, weapons trinkets and gathering tools to provide additional bonuses. These bonuses vary from stat enh