How to Search for the key near the Mouth of the Spring | Genshin Impact|Game8 (2025)

How to Search for the key near the Mouth of the Spring | Genshin Impact|Game8 (1)
Search for the key near the Mouth of the Spring is a quest objective in the Furious Mouth of the Spring world quest, which is part The Wild Fairy of Erinnyes quest chain in Genshin Impact 4.2. See how to get they key here!

List of Contents

  • How to Get
  • Objective Info
  • Related Guides

How to Get the Key of the Mouth of the Spring

Go to the Underwater Area of Loch Urania

How to Search for the key near the Mouth of the Spring | Genshin Impact|Game8 (2)

To search for the key near the Mouth of the Spring, head to the underwater part of Loch Urania.

Clear All Contaminated Bacterial Mats

Use a Xenochromatic Armored Crab to counter and clear all Contaminated Bacterial Mats. The mats will attack you whenever you get close, so take the Armored Crab's ability to defeat them.

Hold down the ability to absorb their attacks. While aiming, be sure to get hit first then let go to shoot back at them.

Xenochromatic Creatures and Abilities Guide

Investigate the Stone Altar

How to Search for the key near the Mouth of the Spring | Genshin Impact|Game8 (3)

With the current gone, swim back into the cavern and interact with the stone altar. The Vishap will wake and you will be taken out of the cavern and teleported to the shore, where you have to battle it.

Subdue the Enraged Vishap

Since the Vishap is angry, you must take it on in battle in order to obtain the key.

Search for the Key Information

Part of the Furious Mouth of the Spring

How to Search for the key near the Mouth of the Spring | Genshin Impact|Game8 (4)
Search for the key near the Mouth of the Spring is the major objective for the Furious Mouth of the Spring world quest. Remove all Contaminated Bacterial Mats to calm the water currents of the spring.

Furious Mouth of the Spring Quest Guide

Genshin Impact Related Guides

All Tips and Tricks Guides

How to Search for the key near the Mouth of the Spring | Genshin Impact|Game8 (5)

All Version 4.2 Tips & Tricks

Other Tips & Tricks
How to Reveal the Altar's SecretsDecode This Level's Puzzle GuideHow to Brainstorm and Find a Breakthrough Guide
How to Search for the key near the Mouth of the SpringSalvage the Lost Items GuideHow to Solve the Orthant's Puzzle

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How to Search for the key near the Mouth of the Spring | Genshin Impact|Game8 (2025)
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