Genshin Impact 4.6: All Lost Grimoire and Bookshelf Puzzle Locations Guide

Genshin Impact is known for its puzzles and mysteries scattered throughout the game’s world. The Lost Grimoire and Bookshelf puzzles were released as part of Genshin Impact Version 4.6 in the Faded Castle of the Nostoi Region. These puzzles involve collecting eight Lost Grimoires and placing them on bookshelves to unlock hidden locations and obtain valuable rewards. This guide will walk you through the locations of all eight Lost Grimoires and bookshelves and the rewards you get for them.

Locations of the Lost Grimoires

The Lost Grimoire quest begins in the Faded Castle of the Nostoi Region. Players must first unlock all teleport waypoints in the castle and complete the world quest "The Hall of the Sea King" to navigate the area easily.

• Lost Grimoire #1: Found near the main hallway of Faded Castle, east of the teleport waypoint.

• Lost Grimoire #2: Located east of the first Grimoire, at the top of the stairs.

• Lost Grimoire #3: South of the second Grimoire, down the stairs near the bridge.

• Lost Grimoire #4: Downstairs from the third Grimoire, to the left.

• Lost Grimoire #5: In the main hallway on the middle level of Faded Castle, near the Exhibition Hall.

• Lost Grimoire #6: In a small library on the middle level, south of the teleport waypoint.

• Lost Grimoire #7: On the first floor near the benches.

• Lost Grimoire #8: Near a blue crystal on the first floor, accessed by summoning floating platforms.

Bookshelf Locations and Rewards

Placing all eight Lost Grimoires on the Bookshelves unlocks hidden rooms with valuable rewards. Here are the locations of the Bookshelves and the rewards they contain:

• Bookshelf #1: On the top floor of the library, contains a Hydroculus and a Precious Chest.

• Bookshelf #2: Opposite the blue crystal on the first floor of the library, contains an Exquisite Chest.

• Bookshelf #3: In the middle of the stairs in the library, contains an Exquisite Chest.

• Bookshelf #4: On the ground floor of the library, contains a Remarkable Chest and Praetorian Golems.

• Bookshelf #5: In the middle of the hallway near the westmost waypoint, contains a Precious Chest.

• Bookshelf #6: Upstairs from the fifth Bookshelf, contains a Hydroculus and an Exquisite Chest.

• Bookshelf #7: On the top floor near a stairway, contains a Remarkable Chest and a Praetorian Golem.

• Bookshelf #8: Downstairs from the seventh Bookshelf, contains an Exquisite Chest.

Rewards and Achievements

Placing all eight Lost Grimoires on the Bookshelves unlocks hidden locations and rewards, including Hydroculus, Exquisite Chests, and Precious Chests. Players can also unlock two hidden achievements, "I Ask of Thee, Art Thou Mankind?" and "Loved by Books," by completing the quest.

The Lost Grimoire and Bookshelf puzzles were released as part of Genshin Impact Version 4.6, adding an exciting new dimension to the exploration and lore of Fontaine’s new sub region.