Luminescent Cavern is a permanent location inside Desolate Deep that can be accessed if you collect nine different Keystones across various parts of the map. If you manage to enter this place, you can fish 10 other fish, like Kitefin Shark, Atolla Jellyfish, and more. So, here is a list of all the fish available to catch inside Luminescent Cavern, along with their preferred baits, timings, seasons, and weather requirements.
How to catch all 10 Fishes in Luminescent Cavern
Below, you can find details about all 10 Fishes available to catch inside the Luminescent Cavern.
| Fish Name | Rarity | Bait | Season | Time | Weather |
|---|---|---|---|---|---|
| Bluelip Batfish | Common | Worm | Winter | Day | Rainy |
| Hawaiian Bobtail Squid | Uncommon | Shrimp | Summer | Night | Clear |
| Dinoflagellates | Unusual | Weird Algae | Spring | Night | - |
| Blue Ribbon Eel | Rare | Flakes | Autumn | Night | Foggy |
| Kitefin Shark | Legendary | Squid | Winter | Night | Foggy |
| Atolla Jellyfish | Mythical | Worm | Autumn | Night | Foggy |
| Electric Blue Seahorse | Mythical | Luminous Larva | Spring | Night | Foggy |
| Colossal Blue Dragon | Exotic | Shark Head | Summer or Spring | Clear | - |
| Blue Sea Slug | Secret | - | Winter | Night | Foggy |
| Colossal Ethereal Dragon | Secret | Truffle Worm | - | - | - |
How to enter Luminescent Cavern in Fisch
As mentioned earlier, you can only enter Luminescent Cavern if you can collect nine different Keystones across various Islands. I have mentioned all the Keystones below, along with their GPS Location for you.
| Keystone | Location | GPS (X, Y, Z) |
|---|---|---|
| Turtle Keystone | Terrapin Island | (60, 147, 2025) |
| Skull Keystone | Forsaken Shores | (-2800, 209, 1540) |
| Fossil Keystone | Ancient Isle | (6075, 230, 259) |
| Mushroom Keystone | Mushgrove / Alligator Marsh | (2680, 125, -7160) |
| Cliff Keystone | Castaway Cliffs | (473, 230, -2159) |
| Snowflake Keystone | Snowcap Island | (2790, 155, 2575) |
| Sun Keystone | Sunstone Island | (-938, 225, -988) |
| Volcano Keystone | Roslit Volcano | (-1975, 178, 269) |
| Lightning Keystone | Grand Reef | (3430, 137, 265) |
After collecting all the Keystones, you can return to Desolate Deep in Fisch and place the Keystones one by one to create a crack in the wall. Go through the crack to enter the Luminescent Cavern.
For more on Fisch, check out All 10 Fishes in Volcanic Vents (100% Bestiary) – Fisch or All 8 Fishes in Cults Curse(100% Bestiary) – Fisch
Vignesh Raja started as a Freelancer and became a Full-Time Staff writer at Pro Game Guides in March 2024. He has an engineering degree in IT and was previously a Semi-Professional Apex Legends and Paladins eSports player. His passion for multiplayer games made him pursue a career in writing to share his knowledge about competitive gaming. Nowadays, he spends his time writing guides for Valorant, BitLife, and Roblox. Also, he manages and coaches upcoming BGMI players in his free time to help them thrive in India's competitive eSports scene.