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Guild Wars 2 Item Upgrade The process of upgrading an item, often known as "upping," improves an item's stats. Each upgrade increment boosts the stats linearly. Players can recycle six items at once to gain a gauge for the upgraded component of each item. The cost of recycling items scales with their rarity and item level. Upgrade components An item upgrade in Guild Wars 2 is a process that can increase the power of your weapon and armor. This can be accomplished through a variety of methods through the use of upgrade components