With the update 4.0 released on August 16th in Genshin Impact, a new Hydro region - Fontaine - has appeared. The developers have added a new storyline and over 20 world quests. World quests are side quests, most of which become available after completing the main storyline of the region. These quests provide more insight into the lore and secrets of Teyvat and are given by NPCs. Let's delve into how to find and start each quest.

A Brush of Seafoam and Crimson (Questline)

The illusion's finishings

Part of the larger cycle of "Ancient Colors," one of the biggest world quests. The Traveler needs to help the nymph Mamer escape from hermit crabs - after this, the little one will initiate a dialogue.

Location: Elina's, Beryl district, near the Archon statue

Requirements: None

How to Start: Talk to the nymph standing on the shore in front of the underwater cave

A Gradient of Dreams and Ochre (Questline)

There will come soft rains

The second part of quests with Mamer. The Traveler must help find all the parts for repairing the mechanical dog for the nymph.

Location: Merusea Village

Requirements: Complete "A Brush Of Seafoam And Crimson"

How to Start: Talk to Mamer

Blue Longing Of Heart And Moon (Questline)

Limner, Dreamer, and Robotic Dog

The continuation of "Brush of Seabreeze and Vermeil" and "Gradient of Dreams and Desires." The concluding quest in Mamer's storyline. You'll need to clear the underwater area of enemies and search for the source of a mysterious voice that addresses the Traveler. 

Location: Merusea Village

Requirements: Complete "There will come a soft rains"

How to Start: Talk to Mamer

After completing the questline, the Traveler will receive a special item - a 4* decoration in a Teapot.

The Narzissenkreuz Adventure (Questline)

The Narzissenkreuz Adventure (Act 1)

Consists of two quests: "Great Adventure in Narcissus Crest" and "The Princess and the Squad of Heroes' Story." The Traveler meets an okeanid - a mysterious creature native to Fontaine and created by the power of Hydro.

Location: Chemin-de-Lespor

Requirements: Activate any Hydro Archon Statue

How to Start: Approach the okeanid - a cutscene will start

Kingdom Through the Looking-Glass

The story continuation of "Great Adventure in Narcissus Crest," consisting of one quest. The Traveler will have to face a dragon of legend.

Location: Chemin-de-Lespor

Requirements: Complete "The Narzissenkreuz Adventure (act 1)"

How to Start: Talk to Ann

“If She No Longer Dreams of You…”

The final part of the quest about Ann's story. Together with the okeanid, the Traveler will unveil a new beautiful location - True Annakrystis.

Location: Chemin-de-Lespor

Requirements: Complete "Kingdom Through the Looking-Glass"

How to Start: Talk to Ann

Unfinished story

After True Annakrystis, the Traveler decides to visit a place from Ann's past. Upon completing the quest, the hero can enter Ordos Narcssisencrayt.

Location: Institute of Natural Philosophy

Requirements: Complete all quests in the "The Narzissenkreuz Adventure" questline, finish "Aqueous Tidemarks"

How to Start: Take the book from the table near the Ruin Grinder you explored in the previous quest

Final Question

You'll need to piece together the fragments and reconstruct the complete story of Ann.

Location: Institute of Natural Philosophy

Requirements: Complete "Unfinished Story"

How to Start: Read the book on the table next to the Ruin Grinder

Upon a Flowery Field of Grass

Head north to Cuh-Dei Fontaine and talk to Ernshaw. He will tell the Traveler about his runaway daughter and disobedient dogs. He will ask the Traveler to find and bring back the dogs.

Location: Cuh-Dei Fontaine

Requirements: None

How to Start: Talk to Ernshaw

Aqueous Tidemarks

This quest is available immediately upon arriving in Fontaine, regardless of progress in the main storyline. The Traveler will explore underwater ruins and discover the submerged refuge of an aristocratic society, along with the fisherman Virgil.

Location: Statue of The Seven in Cuh-Dei Fontaine

Requirements: Arrive in Fontaine

How to Start: Talk to NPC Virgil

A Fontainian Message

The story continuation of Virgil's tale. Together with Sonny and Luca, the Traveler will search for Virgil's hideout and uncover his plan. Head to the same location. 

Location: Statue of The Seven in Cuh-Dei Fontaine

Requirements: Complete "Aqueous Tidemarks"

How to Start: Talk to Sonny and Luca

Book of Esoteric Revelations

In Merusea Village, find and talk to the nymph named Canotil. She will tell her story and offer to look at the mysterious book deep within the ruins.

Location: Merusea Village

Requirements: None

How to Start: Talk to Canotila

“Hey, This Isn’t Pumpkin Soup…”

During the quest, you'll meet the nymph Verenata - an assistant to the Grand Master of Alchemy, Karabos. She will offer the Traveler to try potions on themselves and defeat the enemies she summons.

Location: Merusea Village

Requirements: Activate any Hydro Archon Statue

How to Start: Talk to Verenata

Echoes of the Ancient World

The concluding part of the Verenata story. Meet her at the same location and find out how the experiment is going. This time, the Traveler must locate Grand Master Karabos.

Location: Merusea Village

Requirements: Complete "Hey, This Isn’t Pumpkin Soup…" and the "Ancient Colors" questlines

How to Start: Head to the marker in "A Very Bright Place" on the map

The Lone Phantom Sail

Once again, the Traveler must help the nymph Aiz. Explore the depths of Elton Hollow and find the wreckage of a sunken ship.  

Location: Desolate Place, Beryl

Requirements: Complete “Hey, This Isn’t Pumpkin Soup…” questline

How to Start: Talk to Aiz

Truly Mouthwatering!

While exploring the area, the Traveler will come across a strange boy buried in the sand. Find out what prompted Henry to take such a step and why he refuses help. And what does roast chicken have to do with it?

Location: Bell district

Requirements: None

How to Start: Defeat armored crabs near Henry and talk to him

Still Mouthwatering!

The story continuation of Henry's tale. Hand over the mysterious cores obtained during the previous quest and await the "Master," who, according to Henry, should pay for the work done. Finally, discover who is behind burying the man.

Location: Poisson Village Coast

Requirements: Complete "Truly Mouthwatering!"

How to Start: Talk to Henry

Strange Stone Chronicle

Once again, aiding the nymph people. This time, the Traveler must help Puke find her gift and assist in setting up a business in Cuh-Dei Fontaine.

Location: "A Very Bright Place"

Requirements: Complete the "Ancient Colors" questline

How to Start: Talk to Puke

New horizons of adventure

This quest automatically becomes available after completing the Archon storyline. The Traveler will simply talk to Katerina, as in other regions.

Location: Cuh-Dei Fontaine, Adventurers' Guild

Requirements: Complete the Archon Quest Chapter IV

How to Start: Talk to Katerina

The Interview

A small dialogue-based quest. The Traveler will listen to the conversation between Line, Linnet, and Charlotte and witness an unsuccessful interview.

Location: Western part of Cuh-Dei Fontaine

Requirements: Complete the Archon Quest Chapter IV "Act: As Light Rain Falls Without Reason"

How to Start: Approach the company of Line, Linnet, and Charlotte

After the dialogue, the Traveler will gain access to reputation enhancement in Fontaine.