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Here's how to unlock the Lost Valley domain by solving the Chasm Domain puzzle in Genshin Impact. We'll teach you how to find and open this new artifact domain!
| The Chasm Guides | |||
|---|---|---|---|

You can find the Lost Valley Domain by breaking the Unique Rock puzzle at the entrance of the cave in Fuao Vale in the Chasm.
Full Guide on The Lost Valley Domain

The puzzle that unlocks The Lost Valley is located slightly southeast of the domain itself. You have to look for a large pressure plate and a large, glowing pillar. To solve the puzzle, you have to:
| How to Unlock The Lost Valley Domain | |
|---|---|
| 1 | ![]() Look for the large pressure plate by the Unique Rock blocking The Lost Valley doors. |
| 2 | ![]() Put a Geo construct on the pressure plate. Here's a list of characters that can make Geo constructs: • Geo Traveler • Ningguang • Zhongli • Albedo • Itto A trail of Wind Currents should appear after placing the Geo Construct on the pressure plate. |
| 3 | ![]() Head for the Wind Current trail and jump on the nearby Spoutrock and jump to launch yourself high up in the air. The Spoutrock is the glowing slate on the ground right before the Wind Current trail. |
| 4 | ![]() Ride the Wind Current trail and do a Plunge Attack on the large, glowing pillar at the end of the trail. This will send out Resonant Quakes. |
| 5 | ![]() Wait for the Resonant Quakes to reach the Unique Rock blocking The Lost Valley Domain. This will destroy the blockage. |
| 6 | ![]() Go inside of the cave and interact with The Lost Valley's domain doors to unlock it! |

| Required AR | Adventure Rank 22 |
|---|---|
| How to Unlock | Complete Prologue: Act 3 |
Play through the whole Archon Quest for Prologue: Act 3, ''The Song of the Dragon and Freedom,'' to be able to unlock and access The Lost Valley.
See Prologue: Act 3 Walkthrough

| The Chasm Guides | |
|---|---|
| Surface Area Guide | Underground Mines Guide |
| Guides for The Chasm Features | |
|---|---|
The Lost Valley Puzzle |
Unique Rock Pillars |
Old Chou's Treasure Hunt |
Treasure Map Fragments |
Mysterious Letters |
Fossil Locations
|
Activate the Mechanism |
Ring the Two Bells |
Lumenspar Locked Gate |
Memorial Offerings
|
Follow the Water's Flow
| Purify the Large Crystal |
| Guides for The Chasm Features | |
|---|---|
Spoutrocks |
Bedrock Keys |
Cage-Shaped Geo Formation |
Dark Mud and Oozing Concretions |
Glowing Pyramids |
|
| The Chasm Enemy Guides | ||
|---|---|---|
Ruin Serpent Boss |
Black Serpent Knight: Windcutter |
Floating Hydro Fungus |
| All Chasm Creatures | ||
|---|---|---|
Luminous Seelie |
Bluethunder Weasel |
Lucklight Flies |
How to Unlock the Lost Valley Artifact Domain in The Chasm



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