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How to Upgrade Items in World of Warcraft When upgrading items, always start with the best-in-slot equipment first. This includes chests, helms and legs. Upgrade your weapon following. After that upgrade your belts and shoulder guards. Also upgrade your boots and gloves. Glyphs are upgrade components that can be slotted into gathering tools and weapons. Unlike other upgrades glyphs are easily removed and replaced. Glyphs Glyphs can be used to increase your character's strengths in specific areas. They can be used