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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 evolve when traded while held. The ability to slot it into weapon gear, armour and trinkets can add an extra bonus or increase the value of an attribute. However, the majority of upgrade components require the item to be at a certain level before it can be slotted. Recycle points Recycle points are a kind of item that can be used to upgrade items. T