Genshin Impact Fontaine Archon Quest Act 5 Walkthrough

Genshin Impact 4.2 Masquerade of the Guilty official banner.
Credit: HoYoverse

Genshin Impact 4.2 Masquerade of the Guilty official banner.
Credit: HoYoverse

The Genshin Impact Version 4.2 update is upon us, bringing with it the climax to the Fontaine storyline! In this guide, we will walk you through the latest narrative developments introduced in Archon Quest Chapter 4: Act 5 “Masquerade of the Guilty”.

In the wake of the Chief Justice of Fontaine Neuvillette's chilling announcement that Hydro Archon Furina is to be sentenced to death, Act 5 of the Archon Quest Chapter IV sees Fontaine's prophecy on the verge of coming true. Work with the people of Fontaine to uncover the mysteries and hidden truths lurking beneath the waters.

With Childe's mysterious disappearance still unsolved, Arlecchino's ominous presence, and Fontaine's looming prophecy, Genshin Impact players are left with more questions after the conclusion of Archon Quest Chapter 4 Act 4. So, without further ado, let's dive right into the step-by-step walkthrough for Archon Quest Chapter 4 Act 5: “Masquerade of the Guilty”!

How to unlock Fontaine Archon Quest Act 5: “Masquerade Of The Guilty”

In Version 4.2, The Fontaine storyline reaches its climax with Act 5, "Masquerade of the Guilty," along with a new Story Quest for the Hydro Archon Furina herself, Animula Choragi Chapter: Act 1.

A screenshot from the "Version 4.2 "Masquerade of the Guilty" Trailer | Genshin Impact" YouTube video.
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Credit: HoYoverse

To unlock Archon Quest Chapter 4: Act 5 "Masquerade Of The Guilty", you must meet the following requirements:

  • Reach Adventure Rank 40 or above
  • Complete Chapter 4 Act 4: “Cataclysm's Quickening”

Fontaine Archon Quest Act 5 walkthrough

"Masquerade Of The Guilty" is the fifth act in Chapter IV of the Archon Quests. There are six quests in this act and we will walk you through all of them:

  1. Deluge of Wrathful Waters
  2. Meeting is Also Parting
  3. Hunters, Prophets
  4. Apocalypse
  5. The Opera of Noirceur and Blancheur
  6. Finale

1. Deluge of Wrathful Waters

A screenshot of Navia from the Genshin Impact Fontaine Archon Quest Act 5.
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Credit: HoYoverse

Follow the steps below to complete the first quest of Chapter 4 Act 5:

  • Wait until the next day (8:00 - 12:00)
  • Return to the Fortress of Meropide dormitories
  • Talk to the receptionist in the Administrative Area
  • Go to Wriothesley’s office
  • Talk to Wriothesley
  • Head over to the Palais Mermonia
  • Go to Poisson
  • Look for Navia in Poisson
  • Go the cemetery

2. Meeting is Also Parting

A screenshot of Furina and Neuvillette from the Genshin Impact Fontaine Archon Quest Act 5.
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Credit: HoYoverse

To progress through the second part of "Masquerade of the Guilty" and continue the story, follow these steps:

  • Go to the ruins located south of Poisson in the Belleau Region
  • Enter and search the ruins (“Place of Secrets”)
  • Avoid the Primordial Seawater within the ruins
  • Watch a short cutscene
  • Talk to Navia and Neuvillette
  • Continue investigating the ruins
  • Observe the three stone slates that retell the prophecy of Fontaine
  • Leave the ruins
  • Get transported to the Fleuve Cendre and talk to Mona

3. Hunters, Prophets

A screenshot of Navia and Clorinde from the Genshin Impact Fontaine Archon Quest Act 5.
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Credit: HoYoverse

For the third quest of "Masquerade of the Guilty", complete these steps:

  • Go to Neuvillette’s office at the Palais Mermonia
  • Witness Neuvillette and Furina’s altercation
  • Meet up and discuss your next steps with Lyney, Lynette, Freminet, Navia, Clorinde and Neuvillette
  • Go to the Spina di Rosula base in Fleuve Cendre
  • Talk to Mage N and Mona
  • Go to the newsstand
  • Enter Hotel Debord and talk to Sedene
  • Leave Hotel Debord
  • Go to the Steambird and talk to Charlotte
  • Talk to Isadora at Fleuve Cendre

4. Apocalypse

A screenshot of Furina from the Genshin Impact Fontaine Archon Quest Act 5.
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Credit: HoYoverse
  • Find Furina on the lowest floor of Poisson
  • Trial of the Hydro Archon, Focalors, begins
    • You can find below the trial answers:

Why can Furina live so long despite being she’s human?

  • Answer: The meeting with the Knave

What evidence proves that Furina is not the master of the Oratice?

  • Answer: Childe’s conviction

What evidence can prove that Furina is a human?

  • Answer: The truth behind the “serial disappearances of young women” case

Next, you must relate “real events” to the prophecies on the prophecy slates. Here, find scenarios related to the stone slates’ contents on the incidents recorded in the interview notebook to verify said content.

Prophecy slate
Real event
Prophecy slate 1
The truth behind the “serial disappearances of young women” case
Prophecy slate 2
The announcement of the Hydro Archon’s death sentence
Prophecy slate 3
Navia falling into the seawater
Prophecy slate 4
The intrusion of the Primordial Sea into the Fortress of Meropide

Just what is the true source of catastrophe?

  • The evidence that verifies the intrusion of the Primordial Sea into the Fortress of Meropide is: The whale in the dream

5. The Opera of Noirceur and Blancheur

A screenshot of Focalors and Furina in the Genshin Impact Fontaine Archon Quest Act 4.
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Credit: HoYoverse
  • Talk to Furina
  • Turn off all the spotlights and defeat the Gardemeks
  • Watch Furina’s performance
  • Enter Furina’s consciousness
  • Act 1: Walk towards the mirror and talk to Focalors
  • Act 2: Give accession speech
  • Act 3: Follow the spotlight to reveal four different moments in Furina’s life
  • Watch the subsequent scenes
  • Battle the All-Devouring Whale
  • Talk to Skirk
  • Watch a cutscene
  • Return to Fontaine

6. Finale

A screenshot of Focalors from the Genshin Impact Fontaine Archon Quest Act 5.
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Credit: HoYoverse
  • Talk to Charlotte
  • Go to Poisson
  • Talk to Navia and Clorinde
  • Go to the Fortress of Meropide
  • Talk to Wriothesley
  • Head to Romaritime Harbor
  • Talk to Lyney, Lynette, Freminet, and Arlecchino
  • Look for Neuvillette by the entrance to the Fortress of Meropide, behind the Opera Epicese
  • Talk to Neuvillette

That completes our guide for the Genshin Impact Fontaine Archon Quest Chapter 4: Act 5 “Masquerade of the Guilty”!

Interested in learning more about Genshin Impact? We've gathered all available information regarding the Version 4.2 update, including banners, map expansions, new events, and more, so make sure to check it out! We've also compiled all the much-needed QoL changes coming to Version 4.2 here.

Discover all that you need to know about the 18 new Fontaine characters. On top of that, the 4.3 banners have been leaked! Get ahead of the curve and start planning your Primogem savings for your favourite Fontainian characters with our Fontaine character banner schedule here.