Robben Versus Chesterton: Iridescent Brooch is a book series in Genshin Impact. Guide includes Robben Versus Chesterton books, Robben Versus Chesterton Achievement, book locations, where to get and how to get!
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Robben Versus Chesterton: Iridescent Brooch Book Locations
Robben Versus Chesterton: Iridescent Brooch Book

Robben Versus Chesterton is a famous book series in Fontaine that tells the story of a Phantom thief and a famous detective's confrontation. Once you have collected these 3 books, you will be able to unlock an achievement called Robben Versus Chesterton.
Robben Versus Chesterton Book Locations
Robben Versus Chesterton Book I
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Robben Versus Chesterton Book II & III
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Robben Versus Chesterton: Iridescent Brooch Hidden Achievement
Unlock An Achievement

Once you are done collecting the 3 Robben Versus Chesterton: Iridescent Brooch books, you will be able to unlock an achievement called Robben Versus Chesterton.