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Home»Game Guides»How to Get to Mariana’s Veil in Roblox Fisch (Submarine Quest Guide)

How to Get to Mariana’s Veil in Roblox Fisch (Submarine Quest Guide)

Is it hot in here or what…

Brady Klinger-MeyersBy Brady Klinger-MeyersFebruary 24, 20253 Mins Read
the volcanic vents island at mariana's veil in roblox fisch
Image Source: Fisching via The Nerd Stash

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  • How to Get the Submarine and Enter Mariana’s Veil
  • How to Survive Mariana’s Veil in Roblox Fisch

Mariana’s Veil is, in a way, a lot like the Northern Expedition in Roblox FIsch, except it’s, you know, lava. And what I mean by that is that it borrows similar mechanics, such as the temperature gauge. When you’re inside Mariana’s Veil, your temperature will gradually rise, so you can’t spend a lot of time there. You have to be quick with your catches and maybe grab some upgrades along the way.

How to Get the Submarine and Enter Mariana’s Veil

fixing the submarine to get to mariana's veil in roblox fisch
Image Source: Fisching via The Nerd Stash

Yes, you read that right. You’ll need the Submarine to enter Mariana’s Veil. It’s going to take more than a pair of flippers and an air tank to visit the area. So, the Submarine it is, and like it was with accessing Atlantis, there’s an entire quest dedicated to getting it in Roblox Fisch. And the best part? It doesn’t cost a cent!

The Most Essential Items in Roblox Fisch (& How to Get Them)
Related: The Most Essential Items in Roblox Fisch (& How to Get Them)

Go to Roslit Bay, and instead of stopping at the docks you normally would, aim for the lighthouse. There’s a new dock there, and Dr. Glimmerfin is there. Speak with him, and he’ll give you the details: he had to abandon his submarine, and the parts are scattered around Roslit Bay.

drilling obsidian rocks for submarine parts in roblox fisch
Image Source: Fisching via The Nerd Stash

But here’s the catch: the submarine parts are encased in obsidian rocks. They’re scattered all over the island, but luckily, Dr. Glimmerfin gives you the Drill for free. You’ll use that to break open the obsidian rocks and, hopefully, find all five pieces of his submarine. It’s not guaranteed you’ll get a piece; in fact, there’s just a 5% chance.

Just behind the lighthouse are a bunch of obsidian rocks that spawn very fast. I had all five pieces within 10 minutes of drilling. Take them back to where the outline of the submarine is (by Dr. Glimmerfin), attach each piece, and then talk to him again.

You can now access Mariana’s Veil! The submarine will spawn nearby. If you ever want to spawn it again, speak with Dr. Glimmerfin. However, if you want to spawn it from the Shipwright, you must be level 70.

How to Survive Mariana’s Veil in Roblox Fisch

drilling lava veins for crafting materials in roblox fisch
Image Source: Fisching via The Nerd Stash

When you get into Mariana’s Veil, eventually you’ll come to lava. At that point, a temperature gauge will appear and gradually increase. You will die if that happens. However, you can upgrade your submarine and craft a Glimmerfin Suit, which comes in handy for when you want to head deeper into Mariana’s Veil to fish in the lava.

How to Get the Brick Rod in Roblox Fisch
Related: How to Get the Brick Rod in Roblox Fisch

At the Volcanic Vents (that’s the first dock inside Mariana’s Veil in Roblox Fisch), you’ll see a pedestal that requires specific items:

  • Lava Crystal: Obtained from mining the strange lava veins at Volcanic Vents.
  • Inferno Hide: Obtained from fishing in the water at Volcanic Vents.
  • Blisterback Blenny: Obtained from fishing in the water at Volcanic Vents.
  • Infernal Iguanafish: Obtained from fishing in the water at Volcanic Vents.

Take those to the pedestal and the upgrades are yours! You have to wear the Glimmerfin Suit to reduce the heat buildup.

One last point of interest: if you head further into Mariana’s Veil, you’ll find a lava pool to fish in (which you need at least the Magma Rod for) and the Volcanic Rod. It costs $300,000 and has a 20% of granting the Ashen Fortune mutation, which multiplies the value of fish by five.

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Brady Klinger-Meyers
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Brady has been writing about video games for the better part of four years. When he isn't obsessing over RPGs or games from his childhood, there's a good chance he's working on another short story.

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