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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 while being held. Slotting it into weapon gear, armour and trinkets can add an extra bonus or increase the value of an attribute. However, most upgrade components require the item to be at a certain level before it can be slotted. Recycle points Recycle points can be used to upgrade certain items. You can get them by recycling plastic and cans o