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The final Echoing Conch and 20th Phantasmal Conch can be found in Mona's event domain in Genshin Impact 2.8. Check out how to solve all Astral Puzzles to get to the Echoing Conch in the Temple of the Star Latitudes domain and get to the hidden room in this guide!
List of Contents
You can get the 20th Phantasmal Conch in Mona's domain, Temple of the Star Latitudes, after completing its unlock quest, the Summertime Odyssey: V! After completing the quest, you can go back inside the domain by interacting with the Star Platform item found on Minacious Isle.
Once you enter the Temple of the Star Latitudes domain, you have to find the door with the constellation shown in the image above to get to the right room, where you have to solve three constellation puzzles to proceed.
| Click to Jump to a Section! | ||
|---|---|---|
| Astral Puzzle 1 | Astral Puzzle 2 | Astral Puzzle 3 |
After entering the right door, follow the corridor until you get to a room full of Star Guides. There will be a constellation decorating one of the walls, which will show the pattern you have to follow using the Star Guides.
A good strategy is to light up the Star Guides as soon as you position them, to make sure that you're creating the correct pattern!
| Objectives | |
|---|---|
| 1 | From the entrance, observe the constellation pattern on the wall to your left. You must copy this pattern with the Star Guides. |
| 2 | Make sure the leftmost Star Guide is pointed towards the Star Guide to its side, further into the room. |
| 3 | Point this second Star Guide to the one near the back of the room at the center. |
| 4 | Point the rightmost Star Guide from the entrance to the same third Star Guide. |
| 5 | Point the Star Guide after this fourth one to the same third Star Guide. |
| 6 | Activate all Star Guides by hitting each of them once. |
After completing the first puzzle, the pattern on the wall will shift and change into a new constellation. You have to rearrange the Star Guides to recreate this pattern!
| Objectives | |
|---|---|
| 1 | From the entrance, observe the constellation pattern on the wall to your left. You must copy this pattern with the Star Guides. |
| 2 | Make sure the leftmost Star Guide is pointed towards the Star Guide at the center, closer to the entrance. |
| 3 | Point this second Star Guide to the one on the rightmost corner closest to the entrance.. |
| 4 | Point the rightmost Star Guide from the entrance to the Star Guide in front of it. |
| 5 | Point this fourth Star Guide to the one furthest from it, on the upper left corner of the room from the entrance. |
| 6 | Lastly, point this Star Guide to the one on the rightmost corner. There will be no need to activate this sixth Star Guide. |
| 7 | Activate the other five Star Guides by hitting each of them once. |
After completing the second puzzle, a third constellation pattern will appear! Once again, you have to rearrange the Star Guides to recreate this pattern.
| Objectives | |
|---|---|
| 1 | From the entrance, observe the constellation pattern on the wall to your left. You must copy this pattern with the Star Guides. |
| 2 | Start with the Star Guide at the center, closest to the entrance, and point it to the other center Star Guide further into the room. |
| 3 | Point this second Star Guide to the one on the rightmost corner furthest from the entrance.. |
| 4 | Point the rightmost corner Star Guide towards the Star Guide in front of it. |
| 5 | Point this fourth Star Guide to the one in the rightmost corner closest to the entrance. |
| 6 | This rightmost entrance Star Guide should be pointed to the leftmost Star Guide closest to the entrance. |
| 7 | From here, point the Star Guide to the one next to it, close to the wall with the pattern. |
| 8 | Point this Star Guide to the last one on the upper left corner of the room from the entrance. This final Star Guide must be deactivated. |
| 9 | Activate all the other Star Guides by hitting each of them once if they are not activated already. |
After completing all three constellation puzzles, an Exquisite Chest will spawn and the pattern on the wall will change again. This time the constellation will turn into an arrow pointing to a corner of the room.
Go to this corner and touch the wall to reveal a hidden passageway!
Follow the path until you get to a room with a new puzzle and a locked Precious Chest. This puzzle is part of the exploration of Mona's domain, but is not necessary to collect the Echoing Conch sitting on the left side of the room!
It's best to jump up on the stone where the Echoing Conch is to trigger the interaction prompt for the conch.
Temple of the Star Latitudes Domain
You must first complete part five of the Summertime Odyssey's main event quest, The Ancient Azure Stars, in order to unlock Mona's domain, the Temple of the Star Latitudes, and find the Echoing Conch inside.
You need to find 16 Phantasmal Conches to be able to get Fischl's event-exclusive outfit! Collect all 20 Echoing and Imaging Conches to get all the rewards in the Resonating Visions event.
All Phantasmal Conch Locations
Resonating Visions Event Guide
| Resonating Visions Guides | |
|---|---|
 Phantasmal Conch Locations |
 Free Fischl Outfit Reward |
 Imaging Conch Locations |
 Echoing Conch Locations |
 The Photographer's Words |
 The Sojourners' Song |
| Guides on Collecting Specific Conches | |
|---|---|
 Broken Isle Conch |
 Xinyan Domain Conch |
| Mona Domain Conch |
 Kazuha Domain Conch |
 Fischl Domain Conch |
|
I did it and the first puzzle doesn't change to the second. I pointed all how you said but it doesen't work.
How to Get the 20th Phantasmal Conch from Mona's Domain
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it works, you must have done something wrong lol