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Solve four Moon Mirror puzzles behind a waterfall north of Hiisi Island to get a Precious Chest in Genshin Impact Version Luna I. Learn how to solve the waterfall Moon Mirror puzzles, its location, the puzzle rewards, and how to unlock it in this guide!
List of Contents
| Hiisi Island Waterfall Moon Mirrors Puzzle Guide | |
|---|---|
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| Select to Jump to a Puzzle Solution! | |
| Moon Mirror 1 | Moon Mirror 2 |
| Moon Mirror 3 | Moon Mirror 4 |
You can find the chain of Moon Mirror puzzles at the back of a waterfall, located north of Hiisi Island. Teleport to the Waypoint up north and walk to the back of the waterfall where you'll encounter a Kuuhenki. It will lead you to the first Moon Mirror puzzle which you'll have to solve.
The Moon Mirror Mechanism Guide

Approach the first Moon Mirror puzzle and interact with the red Kuuhenki beside it. Push the two cubes in the mirror forward, then wait for the Kuuhenki to glow and guide you to the next Moon Mirror.

Solve the second Moon Mirror puzzle by dragging the cube at the bottom toward you. This will cause it to lift the second cube within the mirror, solving the puzzle after the white Kuuhenki glows in approval.

Hop on the platform to your left with the red empowered ring, then jump upwards to reach the third Moon Mirror puzzle.
| How to Solve the Third Moon Mirror Puzzle | |
|---|---|
| 1 | ![]() Push the large cube on the very right upward via its red unipolar charge. |
| 2 | ![]() Push red the cube in the middle towards the right, where the first cube used to be. |
| 3 | ![]() Push the cube on the very left upward. |
| 3 | ![]() Drag the blue cube in the middle toward you, then push it to the right. The white Kuuhenki will glow with approval once done, then open the next Moon Mirror. |

On the fourth and last Moon Mirror, drag the statues parallel to each other and bring them closer to solve the puzzle. Wait for the Kuuhenki to glow once more, and a Precious Chest will appear to reward you for your hard work!

A Precious Chest is rewarded after solving the waterfall moon mirror puzzles in Hiisi Island. This chest contains 10 Primogems and possibly an Evermoon Seal used to unlock treasure vaults in Nod-Krai, among other goodies.
| Genshin Impact Version 6.0 Luna I | |
|---|---|
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| Phase 1 Date | September 10, 2025 |
The waterfall Moon Mirror puzzles found in Hiisi Island was released in Version Luna I of Genshin Impact, introducing the new region of Nod-Krai and its three major sub-regions.
Version 6.0 - Luna I Release Date and Banners

Hiisi Island Waterfall Moon Mirrors Puzzle Guide



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