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World of Warcraft Item Upgrade Item upgrade is an evolution item that first was introduced in Generation II. This upgrade enables Porygon2 to grow when traded when held. Incorporating it into weapon gear, armour and trinkets could provide a bonus or increase the attribute value. The majority of upgrade items require the item be at a certain stage before it is inserted. Recycle points Recycle points are a kind of item that can be used to upgrade items. You can get them through recycling plastic and can