Petrichor Location and Nostoi Region Map Guide

Petrichor is an area in the Nostoi Region of Fontaine in Genshin Impact Version 4.6. See how to get to the Petrichor, map locations, and other details here!

How to Get to Petrichor and Nostoi Region

Complete Archon Quest Prologue Act 3

Travelers can reach the Nostoi Region using Petrichor's teleport waypoint. As soon as the traveler completes The Song of the Dragon and Freedom, the teleport waypoint will become available immediately!

Prologue: Act 3 Archon Quest Guide

Petrichor and Nostoi Region Location

Found South of Fontaine

A teleport waypoint is automatically unlocked after meeting the pre-requisites.

As revealed in the 4.6 Livestream, Petrichor and Nostoi regions were added in Version 4.6. These areas are located south of Fontaine, near the Romaritime Harbor.

Fontaine Map and Location

Petrichor and Nostoi Region Map

Petrichor and Nostoi Region Full Map
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Nostoi Region's on the surface is a small island in the middle of the sea where Petrichor is. A few chests and puzzles can be found within the area, but most of the new region's content is hidden behind its main questline.

Version 4.6 Livestream Previews

Nostoi Region Previews

As revealed in a recent livestream, the Nostoi Region includes a small island and a town called Petrichor.

This small settlement is populated by several NPCs that Travelers will find under some kind of hypnosis upon their arrival. Stone statues are also found around the area that resembles the new enemies called Praetorian Golems.

Faded Castle Map

Faded Castle Map
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By following the questline that starts in the village, Canticles of Harmony, Travelers will reach the Faded Castle beneath Petrichor.

Here, they will find the Lost Grimoire and Mysterious Bookshelf puzzles as well as the new enemies, Praetorian Golems.

Further down the quest unlocks an entirely new region: the Sea of Bygone Eras.

Petrichor and Nostoi Region New Boss

Legatus Golem Field Boss

The new world boss, Legatus Golem, can also be found in the Faded Castle area of Nostoi Region! Follow the path that leads southeast until you reach this boss' arena and challenge it for its item drops.

Legatus Golem drops the Fragment of a Golden Melody—one of Arlecchino's ascension items.

Legatus Golem Location and Boss Guide

Petrichor and Nostoi Region Domains

Faded Theater Artifact Domain

Faded Theater, a new artifact domain, can be unlocked in this region.

Travelers can simply head to the northeastern shore of Petrichor to unlock the domain where they can obtain Unfinished Reverie and Fragment of Harmonic Whimsy set pieces!

All Faded Theater Artifacts
Fragment of Harmonic Whimsy Set	Unfinished Reverie Set

Faded Theater Artifact Domain Guide

Petrichor and Nostoi Region Release Date

Released in Version 4.6

Genshin Impact Version 4.6
Release Date	April 24, 2024

Nostoi Region was released on April 24, 2024, the same time as Version 4.6's patch update! Check out all the other new things in the upcoming patch using the button below!

Version 4.6 Release Date and Banners

Genshin Impact Related Guides

Fontaine Map Guide

Fontaine Area Map Guides

Related Fontaine Map Guides
Liffey Region	Fontaine Research Institute
Fortress of Meropide	Merusea Village
Narzissenkreuz Ordo	Erinnyes
Morte Region	Tower of Gestalt
Nostoi Region	Sea of Bygone Eras

Fontaine Exploration Guides

Fontaine Exploration Guides
Diving Mechanic Guide	Underwater Area Guide
Fontaine Commission	Fontaine Reputation
Fontaine Craftable Weapons	Pneuma and Ousia
Local Legends	Xenochromatic Creatures
Ancient Symphony

Significant Fontaine Location Guides

Fontaine Location Guides
Hydroculus	Fountain of Lucine	Shrine of Depths	Enigmatic Page
Teleport Waypoints	Treasure Chests	Remarkable Chests	Secret Treasure Map

Fontaine Item Guides

Fontaine Local Specialties
Rainbow Rose	Lumidouce Bell	Romaritime Flower	Beryl Conch
Subdetection Unit	Lumitoile	Lakelight Lily	Spring of the First Dewdrop
Other Items Found in Fontaine
Tidalga	Marcotte	Pluie Lotus	Bulle Fruit
Condessence Crystal	Ancient Key	Drained Conch Cup	Mysterious Core
Hydro Sigil	Strange Part	Key to Some Place	Credit Coupons
Energy Concentrating Component	Mysterious Ore	Arkhium Ore	Arkhium Lumenite
Spur Gears	Welfare Meal	Handwheel	Punched Tapes
Foggy Forest Branch	Simple Vault Key	Autumn's Map	Rocky's Map
Liam's Map	Rouge's Map	Barrow Map	Parker's Hopes Map
Athos Map	Freeman Map	Ridiculously Common Branch	Restored Score

Fontaine Domain Guides

Fontaine Domains Guides
Denoument of Sin	Echoes of the Deep Tides
Pale Forgotten Glory	Waterfall Wen
Faded Theater

All Fontaine Domains and Locations

Fontaine Quest Guides

Ancient Colors Quest Chain
A Brush of Seafoam and Crimson	A Gradient of Dreams and Ochre
Blue Longing of Heart and Moon
Ann of the Narzissenkreuz Quest Chain
The Narzissenkreuz Adventure	Kingdom Through the Looking-Glass
“If She No Longer Dreams of You...”
Unfinished Comedy Quest Chain
Game of the Rich	An Eye for An Eye
Hereafter...	Scenes From Life in Meropide
In the Wake of Narcissus Quest Chain
Search in the Algae Sea	Muse's Mother
Meteoric Lance	Cupid's Lover
Thalia and Melpomene	Savior's Wake
Waking From the Great Dream	Rowboat's Wake
The Wild Fairy of Erinnyes Quest Chain
Foggy Forest Path	Wilting Weeping Willow
Furious Mouth of the Spring	Within the Depths of Erinnyes
Questioning Melusine and Answering Machine Chain
Vagrants and Scamps	The Red and the Black
Questions and Answers
Canticles of Harmony Quest Chain
The Shadow Over Petrichor	Underwater Nocturne
The Last Day of Remuria	Gradus ad Capitolium
Fortune Plango Vulnera	For Yesterday and Tomorrow
Erinnyes Region World Quests
Impromptu Poem of the Crimson Dawn	Free Verse
Morte Region World Quests
Wish-Fulfilling Treasure Hunt
Liffey Region World Quests
In Search of Lost Time	Our Purpose is in Another Canal
Both Brains and Brawn
Fontaine Research Institute Region
Fontaine Research Institute Chronicles	Road to the Singularity
A Letter	Treacherous Light of the Depths
Villains	An Expected Plan
An Expected Lie
Belleau Region World Quests
Still Mouthwatering!	Truly Mouthwatering!
Beryl Region World Quests
Book of Esoteric Revelations	Echoes of the Ancient World
Fishing Game	Good Stuff, but Terrible Taste
The Lone Phantom Sail	The Three Primary Colors of the Solar Corona
Were It So Easy	Strange Stone Chronicle
This Isn’t Pumpkin Soup…	Pursuit
Through the Looking Glass
Court of Fontaine Region World Quests
Another Horizon of Adventure	A Certain Notice
A Certain Trifle	A Certain Stamp
A Fontanian Message	Ann's Story: Prologue
Aqueous Tidemarks	Danger Lurks Everywhere in Fontaine
In Expert Company Part 1	In Expert Company Part 2
Self-Automatic Foraging	Seymour's Story: Prologue
Steambird Interview	The Final Question
The Fountain Flows Again	Unfinished Story
Upon a Flowery Field of Grass	Initial Facts
Happy Birthday	Where His Life Lies
Daydreams Beyond Space and Time

Fontaine World Quests

4.6 Fontaine Puzzles and Features

4.6 Fontaine Features
Washer Octopus	Lost Grimoires and Mysterious Bookshelves
Wonderchime Flowers and Allochromatic Anemones	Summon Currents with Scylla
Music Score Locations	Auric Anglerfish
Break the Chains that Bind Scylla	Portus Anticus Luxurious Chest
The Flying Outlander Achievement Guide	Juliano's Hidden Chests
How to Pet Osse	How to Take the Blank Score
How to Return the Flying Bird Phantasms	How to Rebuild the Golden Aqueducts

4.2 Fontaine Puzzles and Features

4.2 Fontaine Features
Humongous Hat Jellyfish	Potential Energy Orbs
Operable Mechanisms	Reveal the Altar's Secrets
Pahsiv Shop	Decode This Level's Puzzle
Mary-Ann Brainstorming Answers	Salvage the Lost Items
Looking Glass Locations	Permingeat's Questions and Answers
Contaminated Bacterial Mats	How to Solve Dew Bubbles and Branches
How to Operate Dangerous Autocannons	Harmonious Reed Pipes
Floating Crystal Flowers and Platforms

4.1 Fontaine Puzzles and Features

4.1 Fontaine Features
Searchlight's Detection Range	Gear Drain Valves
Recover the Condensing Components	Central Laboratory Ruins Seelie Puzzle
How to Destroy the Thorny Cyst	How to Go to the Abandoned Production Zone
How to Solve the Forging Press Puzzle	How to Unlock Bravais' Secret Study
Strange Eels	Allogravity-Condensed Water Bodies
Red Meanies	Stabilizer
Drive Valve to Supply Warehouse 1	Flying Energy Thief
Experimental Focusing Mirror Puzzle	Cipher Letters
Energy Transfer Terminals	Fixed Storage and Energy Transfer Device
How to Retrieve All 4 Replica Anchors	How to Start the Optical Device
Retrieve the Anchor at the Institute Dormitories	Retrieve the Anchor at the Institute of Clockwork Applications
Remains of the Day Secret Achievement and Chest	Water Barrier Seelie
Rag and Bone Shop

4.0 Fontaine Puzzles and Features

4.0 Fontaine Features
Fontaine Aquabus Guide	Court of Fontaine Waypoints Unlock Guide
Heart Plant Co-Op Hidden Chest	Sonar Resonance Points
Underwater Currents	High-Pressure Water Vents
Recovery Orb	Fontaine Echoing Conch
Fantastical Floating Ball	Pneumosia Blocks
Miraculous Hydrograna	Beastly Rifts
Bullet Barnacles	Fontaine Aircrafts Guide
The Prism in Elynas	Water Volume Detection Crystal
Pneumousia Relay Guide	Pneumousia Storage Box
Sunken Objects	Scenic Attractions
Adjust the Prism	Berrypuff Hidden Quest
Locked Underwater Dome	Break the Treasure Seal
Break the Bubble Formations

Fontaine Enemies

Fontaine Boss Guides
Emperor of Fire and Iron	Icewind Suite	Millennial Pearl Seahorse
Experimental Field Generator	Hydro Tulpa	Legatus Golem
All-Devouring Narwhal	The Knave
Fontaine Enemy Guides
Fontemer Aberrants	Tainted Hydro Phantasm	Breacher Primus
Clockwork Meka	Fatui Operatives	Praetorian Golem
Local Legends Guides
Iron Viscount	Fairy Knight Twins	Ocean Circuit Judge
Vivianne of the Lake	Fading Veteran	Swords of the Gorge
Ninianne of the Lake	Dobharcu, Lord of the Hidden	Automated Supercomputing Field Generator
Luachra the Brilliant	Yseut	Liam
Rocky Avildsen	Mageblade Corrouge	Chassanion
Deianeira of Snezhevna	Cineas

All Interactive Map Guides

All Interactive Map Guides