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How to Upgrade Items in World of Warcraft Always upgrade your top-of-the-line slot gear first. This includes chests, helms and legs. The next step is to upgrade your weapon. Then upgrade your shoulder guards and belts. Replace your gloves and boots last. Glyphs can be added to weapons and gathering tools to upgrade components. Like other upgrades, glyphs can be swapped out and removed. Glyphs Glyphs can be used to boost your character's strength in specific areas. They are used to improve the character's primary stat either secon