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How to Recycle an Item Upgrader in World of Warcraft Upgrades are enchantments and refores that can boost the stats of armor and weapons. They can cost an array of items, such as crests and Valorstones. An item that causes Porygon to evolve into Porygon2. It causes other Pokemon to evolve into Porygon2. It is also possible to fail. Recycle It's a good idea to be able to reuse an upgrader as it allows players to obtain the items they require for a new upgrade without spending a dime. This