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What is an Upgrade Item in Genshin Impact? Upgrade items are a particular kind of item that make certain Pokemon evolve. They are obtained by spinning Pokestop photo discs and occasionally as rewards during events associated with evolution. They can be added to trinkets, armors and weapons and gathering tools to add additional effects or stats. Certain upgrades also come with the appearance of a certain cosmetic when used. Upgrade components Upgrade components are items that can be