Genshin Impact Wiki Guide & Tips
Nostoi Region Guide

Genshin | Nostoi Region Guide

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Genshin | Nostoi Region Guide - GameWith

Nostoi Region is a place in Genshin Impact 4.6. See Nostoi Region, Fontaine, how to unlock, release date, map, location, and more!

Table of Contents

4.6 Update Related Articles
The Knave (Boss)Movements For Ancient Autoharmonic Music Box

Nostoi Region - How To Unlock

Complete The Archon Quest Requirement

Prologue Act 3 Archon Quest Guide | Song Of The Dragon And Freedom

The Nostoi Region and its locations can be accessed when you complete the Prologue Act 3 Archon Quest: "Song Of The Dragon And Freedom". Once you do, the waypoint to the region will be unlocked!

Prologue Act 3 Archon Quest Guide

Locations Are Unlocked By Progressing Quests

The different locations with the Nostoi Region are locked behind quest progression. In order to fully explore the region, you must complete the Canticles of Harmony Quest Line.

Nostoi Region - Locations

Petrichor Island

Petrichor Island

Petrichor Island is a small island found between the regions of Fontaine and Sumeru. It is where Petrichor Village can be found.

Petrichor Island Map

Petrichor Island Waypoints
Petrichor Island Guide

Faded Castle

Faded Castle

The Faded Castle is a remnant of a past glorious kingdom. What was once a hall full of music is now drowning in silence.

Faded Castle Map

Faded Castle Waypoints

Sea Of Bygone Eras

Sea of Bygone Eras

The Sea Of Bygone Eras is home to the Undersea Capital, the Lost Homeland. Within its depths lies an old civilization that now lies dormant and forgotten.

Sea Of Bygone Eras Map

Layer 1
Sea Of Bygone Eras Waypoints
Layer 2
Sea Of Bygone Eras Waypoints
Layer 3
Sea Of Bygone Eras Waypoints
Layer 4
Sea Of Bygone Eras Waypoints
Sea Of Bygone Eras Guide

Nostoi Region - Secrets & Puzzles

Nostoi Region Secrets

Mysterious Grimoires & BookshelvesMysterious Grimoires & BookshelvesMysterious Grimoires are floating books that you can use your "Symphony" to catch. They can be found within the castle. Bring these Mysterious Grimoires to a bookshelf to unlock secrets.
A Ridiculously Common Branch Location GuideA Ridiculously Common BranchFind and locate 3 common branches and give it to Giovannie in Petrichor Island.
Pages From A Last Score Location & Restored Score GuidePages From A Last ScoreRestore the Damaged Score by locating the pages required for it.
Ancient Piece Of Paper and Juliano Treasure Chest Location GuideAncient Piece Of PaperAncient pieces of paper are tied to Juliano's Treasure Chests. Locate and collect all 4 of them!
Movements Locations For Ancient Autoharmonic Music BoxMovementsComplete all of the movements in the Ancient Autoharmonic Music Box
Anecdota Septentrionalis Book Locations GuideAnecdota Septentrionalis BookComplete all of the Books 1, 2 and 3.

Nostoi Region Puzzles

The Might of Ancient Symphony
The Might of Ancient "Symphony"
Unleash different type of shockwaves
- Tap to create a Pause Soundwave that cause objects in an area to stop moving
- Hold to create a Play Soundwave that will cause items in an area to move
Resonance of the Rhythm of Yore
Resonance of the Rhythm of Yore
Use the ancient Symphony to cause the soundboard to start sliding or to stop at a position. Find the correct note to complete the puzzle.
Washer Octopus, Wonderchime Flowers, And Allochromatic AnemonesWasher OctopusInteract with the blue Washer Octopus to make it approach the Allochromatic Anemones. You can do this with the use of your Symphony

Nostoi Region - Quests

QuestHow To Unlock
Canticles of Harmony
 └ The Shadow Over Petrichor
 └ Take The Blank Score
 └ Break The Chains That Bind Scylla
 └ Search For The Scattered Scores
- Head to Petrichor Island and you will find the starting quest on the road to the village
Latecoming Homecoming- Complete the Canticles of Harmony quest line
For Yesterday And Tomorrow- Complete the Canticles of Harmony quest line

Nostoi Region - Things To Do

Things To Do In Nostoi Region
1Play through the Canticles of Harmony Quest
2Unlock All Locations
 └ Unlock all the waypoints
3Collect all Hydroculus
4Unlock the new domain & farm for the new artifacts:
 └ Fragment Of Harmonic Whimsy
- Unfinished Reverie
5Defeat the new boss: Legatus Golem
6Defeat the new local legend: Cineas

1. Play Through The Canticles Of Harmony Quest Line

Canticles of Harmony Quest Guide

Since the locations in Nostoi region are closely tied with the Canticles Of Harmoney Quest Line, it's recommended that players complete that quest first to get full access to the region.

Canticles of Harmony Quest Guide

2. Unlock All Locations

Once you've unlocked all the locations, you can go ahead and unlock all of the waypoints within the region. Doing so will also unlock the achievement for it!

How To Unlock All Waypoints At Nostoi Region

3. Collect All Hydroculus

Hydroculus Location & Map

The Nostoi Region will have its own set of Hydroculus for you to collect. Make sure to collect them all so you can further upgrade your Statue of the Seven in Fontaine.

Hydroculus Location & Map

4. Unlock The New Domain & Farm For Artifacts

Faded Theater Domain Location & How To Unlock

The Domain in Petrichor Island is pretty easy to unlock. Simply go to its location and interact with it! This will allow you to farm for the new artifacts within it.

Faded Theater Domain Location & How To Unlock

Artifacts Within The New Domain

Fragment Of Harmonic WhimsyFragment Of Harmonic Whimsy2-Piece Set Bonus:
ATK +18%
4-Piece Set Bonus:
When the value of a Bond of Life increases or decreases, this character deals 18% increased DMG for 6 seconds. Max 3 stacks.
Unfinished ReverieUnfinished Reverie2-Piece Set Bonus:
ATK +18%
4-Piece Set Bonus:
After leaving combat for 3s, DMG dealt increased by 50%. In combat, if no Burning opponents are nearby for more than 6s, this DMG Bonus will decrease by 10% per second until it reaches 0%. When a Burning opponent exists, it will increase by 10% instead until it reaches 50%. This effect still triggers when the equipping character is off-field.

5. Defeat The New Boss: Legatus Golem

Legatus Golem (Statue Of Marble And Brass) Location & Drops

The Praetorian Guard is a new world boss that can be found within the Nostoi Region. You can get it to it by progressing through the Canticles of Harmony quest line.

Legatus Golem (Statue Of Marble And Brass) Location & Drops

6. Defeat The New Local Legend Cineas

Cineas Location & How To Beat

Cineas is a new Local Legend that can be found in the Nostoi Region. It's within the Sea Of Bygone Eras.

Cineas Location & How To Beat

Fontaine Related Articles

Map & Puzzle Related

Fontaine Domains

Artifact Domains

Talent Book Domains

Weapon Ascension Material Domains

Weekly Boss Domains

Other Fontaine Guides

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