Genshin Impact: For a Green Island Quest Guide

Having troubles with the puzzle in Thunderclap Reef? This guide is just for you! Complete For a Green Island Quest easily with this guide.

SoraHoshina
Writer and Editor at - BrandAnime

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Last Updated on September 10, 2025 by SoraHoshina

A lone island can be seen on the southwest of Hiisi Island in Genshin Impact, and getting near it will start For a Green Island Quest. In this quest, you will help Verna to solve the Kuuhenki disturbances problem on this island, created by the floating stones in the middle of the island.

Said stones are protected by a barrier, and you need to find a special fragments to be thrown at the barrier. Inside the barrier is one Lunaculus, so those who loves to collect these things early definitely want to complete this quest as soon as possible.


Genshin Impact Nod-Krai For a Green Island Quest Guide

You can start this quest by going to the Thunderclap Reef (the lone island southwest of Hiisi Island). Once you reach this location, you will immediately start the quest. Keep following the quest navigation until you meet Verna.

When being told to find a fragment, you can find first one near a cube bot. Then, go back to the surface and throw the fragment to the floating moving rocks in the air.

For the second fragment, go back inside the underground cave to the bottom and the quest navigated area will be updated. First, interact with the two cubes in the middle and Paimon will mention a door that was obstructed by a huge rock.
Note: Make sure to interact with the two bots so it will move.

Look to the side and there are multiple rock slabs in front of two cubes. Use Kuuvahki energy and push and pull those rocks until it creates a staircase and you can reach the mentioned obstacle before. The four cube machines can be combined to lift the obstacle.

Get the fragment and you need to get out through another way around. The other way is literally just in front of you so follow the path until you reach the surface. Throw the fragment to the floating rock to continue the quest.

For the last part of the quest, you need to find a ‘new’ fragment. But it’s also just in front of you where you need to walk a little bit and the quest will continue again. You will meet the same priestess from the Mirrors, the Maze, and the Tsar Quest.

The next task is to head to the top of Thunderclap Reef. Make sure to use the Kuuhenki Path so you will also move the Kuuhenki on top of the path and the quest can continue.

Defeat the incoming enemy and continue with the quest. To activate the Moon Mirror, you need to find Kuuhenki. The quest already mark their locations so just follow them and interact with the Kuuhenki, and they will return to the Moon Mirror.

When the Moon Mirror has been created, you need to move the statue inside the mirror so you can reach for the fragment.

  1. Pull the red light on the statue so it will move to the opposite mirror.
  2. Pull the blue light on the statue to it will move to the mirror on the right.
  3. Pull the red light on the statue so it will move to the slab rock.
  4. Pull the slab rock from the red light so it will move to the opposite mirror.

The puzzle is completed once a Precious Chest spawn beside you. Take the two fragments and throw it to the spinning rocks and you will end the quest.

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SoraHoshinaWriter and Editor at - BrandAnime

Sora is a content creator focusing on gacha games in BrandAnime. Aside from playing all the gacha games to a worrying extent, she also streams on her YouTube and Twitch channels (SoraHoshina). If she got bored, then she will write a guide. Yes, write a guide, not anything else that normal people do.

SoraHoshina
SoraHoshina

Sora reporting for duty! As in going back to grinding guides on gacha games. If you're interested to see how she's failing in all these games, feel free to take a look at her YouTube and Twitch (@sorahoshina).

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