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World of Warcraft Item Upgrade The upgrade to the item was first introduced in Generation II. is a special one that allows Porygon to evolve into Porygon2 if traded while held. It can be inserted into armor, weapon gear and trinkets to add an additional bonus effect or boost its attribute value. Most upgrade components require that the item be at a certain stage before it is inserted. Recycle points Recycle points can be used to upgrade certain items. They can be earned through rec