https://squareblogs.net/shrinehood2/5
World of Warcraft Item Upgrade Item upgrade is an evolution item that first was introduced in Generation II. This item is a special one that allows Porygon to evolve into Porygon2 if traded while in possession. It can be inserted into armor, weapon gear and trinkets to give an additional bonus effect or increase its attribute value. However, the majority of 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. They can be earned through recycling pl