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World of Warcraft Item Upgrade Item upgrade is an evolution item that first came into Generation II. This item is a special one that allows Porygon to evolve into Porygon2 while being traded or held. It can be inserted into armor, weapon gear and trinkets in order to provide an extra effect or increase its attribute value. The majority of upgrade items require the item be in a certain state before it is inserted. Recycle points Recycle points can be used to upgrade certain items. They can be earned from