A Perfect Yesterday Achievement is an achievement in Genshin Impact 4.1. Guide includes A Perfect Yesterday, how to unlock, how to get, map, location, Executive Office, and Fontaine Research Institute of Kinetic Energy Engineering!
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A Perfect Yesterday Achievement Map Location
Located At The Executive Office
You will be able to unlock the A Perfect Yesterday achievement after reading a book that is located inside the Executive office, on the east side of the Experimental Field Generator.
A Perfect Yesterday Achievement - How To Unlock
Read The Book To Get The Achievement
Once you have entered the Executive office, go straight to the table indicated on the map above. Interact with the book and after reading it, you will be able to unlock the A Perfect Yesterday Achievement!