https://telegra.ph/What-Is-The....-Reason-Item-Upgrade
https://anotepad.com/notes/k25atc7w
World of Warcraft Item Upgrade The upgrade to the item was first introduced in Generation II. This upgrade enables Porygon2 to evolve when traded when held. Slotting it into weapon gear, armour and trinkets could provide a bonus or increase the attribute value. However, most upgrade components require the item to be at a certain level before it can be slotted in. Recycle points Recycle points can be used to upgrade certain items. You can get them by recycling plastic and