https://articlescad.com/5-myth....s-about-item-upgrade
World of Warcraft Item Upgrade The upgrade to the item was first introduced in Generation II. This item upgrade allows Porygon2 to evolve when traded when held. Incorporating it into armour, weapon gear and trinkets can add an additional benefit 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 into. Recycle points Recycle points are a type of item that can be used to upgrade items. They can be