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Items and Upgrade Components in World of Warcraft Upgrades can boost the value of armor and weapons. However upgrading common gear is rarely worth the investment since rare or unusual equipment will outclass it quickly. Upgrades can be made to an item up to six times. Each upgrade will add points to the gauge of level of the item. Glyphs Glyphs can be used to enhance an item and boost its characteristics. Glyphs can be used to upgrade weapons or armor. They can also be used to improve the quality o