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World of Warcraft Item Upgrade The upgrade to the item was first introduced in Generation II. This item is a special one that allows Porygon to transform into Porygon2 when traded while held. It can be slotted into armor, weapon gear and trinkets to give a bonus effect or increase its attribute value. However, most s require the item to be at an appropriate level before it can be slotted. Recycle points Recycle points can be used to upgrade certain items. They can be earned from plastic and recycling containers, in addition to completing missions. Y