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Genshin Impact - The Basics of Item Upgrading in Genshin Impact Item upgrading is the primary method to boost the stats of weapons and armor and the character/ship stats. When an item is enhanced, its iLevel, rarity and any additional modifiers are increased. Certain items require a specific resource to upgrade. These resources can be found in the environment or by looting minor loot chests. Rerolling There are a number of ways to reroll in Genshin Impact, though many players feel that the time required to do