Lost Grimiore is a quest item that can be found in Petrichor Island of Genshin Impact. See how to get Lost Grimiore and their doors, locations, where to get, bookshelf map & uses.
Table of Contents
Lost Grimiore Locations & How To Get
Lost Grimiore Location 1
| Map | Location |
|---|---|
  |  |
You can find the first Lost Grimiore floating on the sky. You can follow the stairs to the right until you reach a dead end to jump and glide towards the area.
Lost Grimiore Location 2
| Map | Location |
|---|---|
 |  |
From the waypoint on the entrance of Faded Castle, follow the path until you reach a cross path. Head to the stairs on the left until you see a shiny bookshelf and a floating Lost Grimiore.
Lost Grimiore Location 3
| Map | Location |
|---|---|
 |  |
From the Lost Grimiore location 2, follow the upstairs until you see a broken Harp. Around that area, you can find a Lost Grimiore.
Lost Grimiore Location 4
| Map | Location |
|---|---|
 |  |
From location 3, head to the hallways then down the first stairs to the right. Follow the stairs and once you reached the bottom, you will find a floating Lost Grimiore.
Lost Grimiore Location 5
| Map | Location |
|---|---|
 |  |
From location 4, follow the path to the stairs heading up to find a chamber room. At the chamber room, you will find another Lost Grimiore.
Lost Grimiore Location 6
| Map | Location |
|---|---|
 |  |
Continue from location 5, head upstairs then head to the doors with floating books. Follow the path until you reach an area with tables and chairs.
Lost Grimiore Location 7
| Map | Location |
|---|---|
 |  |
From location 6, follow the path until you reach a deadend. There will be another one at the end of the area.
Lost Grimiore Location 8
| Map | Location |
|---|---|
 |  |
At the area where the 7th Grimiore is, use the Blue switch to climb up. Upon climbing up you will get to an area with a bookshelf and a Lost Grimiore.
Use This Switch To Get Up
Mysterious Bookshelf Locations
Mysterious Bookshelf Location 1
| Map | Location |
|---|---|
 |  |
From the entrance, follow the path pass the floating books and you will find it on the left side.
Mysterious Bookshelf Location 2
| Map | Location |
|---|---|
 |  |
Follow the path from the entrance until you reach set of stairs. Use the stairs heading up and follow the path until you see a bookshelf.
Mysterious Bookshelf Location 3
| Map | Location |
|---|---|
 |  |
From the second location of the Bookshelf, head to the stairs up and head right to where you can find a bridge. Upon entering the area, head right and follow the path heading upstairs. Upon climbing 2 stairs, you will find the Mysterious Bookshelf.
Mysterious Bookshelf Location 4
| Map | Location |
|---|---|
 |  |
Head back to the middle floor and follow the stairs heading down. You can see the bookshelf.
Mysterious Bookshelf Location 5
| Map | Location |
|---|---|
 |  |
Use the Waypoint to get to the middle floor of the Faded Castle and follow the path to the left cave with floating books. From there, follow the path until you reach a library.
Mysterious Bookshelf Location 6
| Map | Location |
|---|---|
 |  |
From the Location 5, follow the stairs leading up and you will find the Bookshelf on the way.
Mysterious Bookshelf Location 7
| Map | Location |
|---|---|
 |  |
Follow the stairs from Location 6 up to the dead end to find the next Mysterious Bookshelf.
Mysterious Bookshelf Location 8
| Map | Location |
|---|---|
| |
Use the button to climb the area from the location 7 and the top floor
How To Get Lost Grimiore?
Use The Power Of Symphony To Stop & Get
To get Lost Grimiore, you need to first use the power of Symphony to stop its movements. You can do it by switching your Elemental Skill using the L1+ □ button or T then using Elemental Skill. After freezing, just picking it up will do.
How To Use Lost Grimiore?
Lost Grimiore Us Submitted To Mysterious Bookshelf To Open A Path
You can find a Mysterious Bookshelf around the Faded Castle. Submit Lost Griore to that area to open path most of the hidden rooms contains treasure chests.
After Submitting The Grimiore, Tap & Hold Symphony To Open Door
The Bookshelf will not open automatically after submitting the Grimiore. You need to tap and hold the Symphony skill and they will open.
What Are Mysterious Grimoires?
New Collectibles In The 4.6 Update
Mysterious Grimoires are floating books that can be found within the new Petrichor area in the 4.6 Update.
Collect Them By Using Your Symphony
Players can catch Mysterious Grimoires by using the new ability "Symphony". Likely, you will have to use the Pause tune in order to prevent the books from floating away.
Submit All 8 Books To Gain Achievements
You can get the achievement "Loved By Books" after submitting all 8 books.
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