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Guild Wars 2 Item Upgrade Item upgrade, also called "upping," improves an item's stats. Each upgrade increment boosts the stat linearly. Players can recycle up to six items at a time to gain a level gauge for each of the item's upgraded components. The cost of recycling an item scales according to its rarity and. Upgrade components An item upgrade in Guild Wars 2 is a process that can boost the power of your weapons and armor. This can be accomplished in a variety of ways such as using upgrade compo