Full Luminescent Caverns Fisch Guide, All You Need to Know!

The latest update in Fisch Roblox has brought players a brand-new area called Luminescent Caverns. To get inside, you’ll need to solve the puzzle involving keystones and pedestals hidden across the map.

Since this part can be confusing, we’ve put together a step-by-step guide covering all keystone locations, how to unlock the caverns, and what you’ll find inside. Check out Fisch Codes for more rewards!

Starting Point – Desolate Deep

Your journey begins in Desolate Deep. This is where you’ll find the three pedestals that show which keystones you need. Every player will get a unique combination out of nine possible keystones. To know which ones you need, simply interact with each pedestal and note the required keystones.

Before exploring, it’s best to equip super flippers, water bubble, and a light source such as the fairy lantern or ultra bright lantern. Turning on performance mode, high brightness, and high saturation will also make navigation much easier.

All Keystone Locations

Here’s where you can find each keystone:

• Turtle Keystone – Terapin Island. Enter the cave near the shipwright and check behind a barrel.

• Lightning Keystone – Grand Reef. Found on the smallest island, between two rocks near a bush.

• Sun Keystone – Sunstone Island. Inside Merlin’s Hut, placed on a barrel to the right.

• Volcano Keystone – Roslid. Located inside the volcano on the middle platform.

• Skull Keystone – Forsaken Shores. Climb up the skull structure near the shipwright to grab it.

• Fossil Keystone – Ancient Isles. Found by climbing or gliding to the top area near the merchant.

• Mushroom Keystone – Alligator Marsh. Inside a rowboat close to the shipwright.

• Cliff Keystone – Castaway Cliff. Hidden past faction leaders, behind a tree path.

• Snowflake Keystone – Snow Cap. Unlock a secret cave by activating three cracks, then climb up to find it.

Unlocking Luminescent Caverns

Once you’ve gathered your three keystones, return to the pedestals in Desolate Deep. Place each keystone in the matching pedestal. When all three are set, the crack in the wall will open, granting access to the Mysterious River. Ride the raft (or walk) to reach the Luminescent Caverns.

Inside Luminescent Caverns

Inside, you’ll find new fish species with unique bait, time, and season preferences. The main highlight here is the Colossal Blue Dragon, an exotic fish that spawns during special hunts. Players need this creature for the quest “A Mutated Dragon”, which leads to the Crimson Cavern.

Crimson Cavern and Rewards

By completing the quest with a Crimson Mutated Colossal Blue Dragon, you’ll unlock entry into the Crimson Cavern, another new zone filled with NPCs and extra challenges. One NPC requires players to collect eight crystals. The ultimate reward here is the Ruinous Oath, a powerful rod with:

• 95% lure speed

• 500% luck

• 0.1 control

• 30% resilience

• Infinite max kg

However, you must complete the shiny sparkling bestiary in Crimson Caverns before you can claim it.

The Luminescent Caverns update adds depth and challenge to Fisch Roblox, rewarding exploration and teamwork. Whether you’re after the exotic Colossal Blue Dragon or the legendary Ruinous Oath, this update gives plenty of reasons to dive back in. Keep experimenting with keystones, complete quests, and enjoy the new adventures waiting underground.