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Genshin Impact - The Basics of Item Upgrading in Genshin Impact The primary method of boosting weapon/armor stats and the character/ship stats. When an item is upgraded, its iLevel and rarity increase and so do any additional modifiers it might possess. Certain items require a particular resource to upgrade. These resources can be obtained from small loot box or found in the world. Rerolling There are many methods to reroll in Genshin Impact, though many players are of the opinion that the time required to do this makes it unfeasible. The mos