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Learn how to complete the Luminescent Cavern Bestiary in Fisch with this guide and add it to your collection.
The Luminescent Cavern Bestiary in Fisch is like a hidden underwater zoo filled with glowing sea creatures waiting to be discovered. To enter, players need to find three special keystones that will be found on different islands and place them in the Desolate Deep, which opens a secret passage to the cavern, where players can find eight dazzling creatures.
- Bluelip Batfish
- Hawaiian Bobtail Squid
- Dinoflagellates
- Blue Ribbon Eel
- Kitefin Shark
- Atolla Jellyfish
- Electrik Blue Seahorse
- Colossal Blue Dragon
In this article, we have listed all the key locations with their coordinates, but before you dive in to gather the keys. The first thing to remember will be to go back to the Red Buoy and dive deep and make your way right to locate the cracks, and near them, you will find three pedestals, so interact with them to know which three keys are needed for the Luminescent Cavern.
All Keystone Locations Needed To Unlock the Luminescent Cavern in Fisch
| Keystone | Island Location | Coordinates | Detailed Location |
|---|---|---|---|
| Cliff | Castaway Cliffs | 473, 230, -2159 | Small gap beside the ledge to second level |
| Mushroom | Mushgrove Islands | 2666, 130, -717 | On top of the boat near the alligator abundance area |
| Fossil | Ancient Isles | 6065, 225.5, 259.5 | On a heap of wood lifted by cranes near the merchant |
| Snowflake | Snowburrow | 2788, 153.5, 2603 | Beside the pirate NPC (where you fix the map) |
| Volcano | Roslit Volcano | -1970, 175.4, 268 | On middle stone inside the volcano |
| Skull | Forsaken Shores | -2797.5, 209, 1544.2 | Beside pirate NPC (where you fix the map) |
| Lightning | Grand Reef | -3406, 134.2, 262.2 | On a small island left of the Shipwright |
| Turtle | Terrapin Island | 57, 149.5, 2032 | Inside the Terrapin Hideaway |
| Sun | Sunstone Island | -935, 223, -984 | Inside Merlin’s Hut |
How To Get Into Luminescent Cavern in Fisch
- Swim to the back of Sunstone Island and locate the Red Buoy at the entrance to Desolate Deep.
- To begin the process of entering the cavern, players need to dive beneath the buoy and head straight to the warning sign, then turn right toward a glowing blue coral.
- From the coral, turn right again to find the Diver NPC standing beside three empty pedestals.
- Interact with each pedestal to reveal the three required keystones .
- Retrieve the required keystones from their island locations.
- To be sure you are getting the right keystone, also take a screenshot of the required keystones so that you can check before returning.
- Return to the Diver NPC and equip each correct keystone; press “E” to place it on its matching pedestal.
- Once all three keystones are placed, a mysterious crack opens in the cavern wall.
- Swim through the crack, cross the Mysterious River, and enter the Luminescent Cavern.
Also read: Fisch Rods Tier List
FAQs
What Is the Luminescent Cavern?
It’s a secret underwater cave where fish and sea creatures glow like neon lights. Swimming inside feels like exploring a magical aquarium.
How Do Players Unlock the Cavern?
Swim to Desolate Deep and find the Diver NPC next to three empty pedestals. The pedestals show symbols for three keystones to find. After collecting the right keystones on different islands, place each on its matching pedestal. Subsequently, a crack appears in the wall; swim through to enter.
How Can Players Determine the Required Keystones?
Each empty pedestal lights up with a symbol, like a skull or a mushroom. Those symbols match the keystone’s shapes, so it’s easy to know which ones to collect.
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