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World of Warcraft Item Upgrade Item upgrade is an evolution item that first was introduced in Generation II. This item allows Porygon to transform into Porygon2 while being traded or held. Incorporating it into armour, weapon gear and trinkets can add an additional benefit or increase the attribute value. The majority of upgrade items require the item be in a specific stage before it is inserted. Recycle points Recycle points can be used to upgrade certain items. They can be obtained by plastic and recy