Crimson Desert features an immense amount of materials used for upgrading and refining equipment, along with crafting new gear. One such material is Brimstone, which can only be obtained from very specific sources, which we'll explain below.

Brimstone is obtained from Hexe Brimstoneback Crab enemies, so make sure you're bringing a weapon and some healing items (as they explode upon death). We'll share the exact details of obtaining Brimstone below, along with some tips so you can farm an infinite amount within minutes.

Brimstone is a gas that will slowly deal damage to you, but there's a Gas Mask you can grab to avoid its potentially lethal effects. We've tagged the guide on it below!

How to Get the Gas Mask (Brimstone Immunity) in Crimson Desert
How to Get the Gas Mask (Brimstone Immunity) in Crimson Desert

The Gas Mask in Crimson Desert works as intended, allowing you to enjoy immunity to poisonous spores and gases. Here's how to get it.

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Brimstone Location in Crimson Desert

  • Brimstone can be obtained by killing Hexe Brimstoneback Crabs.
  • Hexe Brimstoneback Crabs are found at the Brimstone Springs in Demeniss, far north above the second "E" in "Demeniss" at the Deadfire Mountain.
  • Hexe Brimstoneback Crabs disguise themselves as rocks around the Brimstone Springs, and you can detect which ones are enemies by locating a green rock that shoots water from the top of its shell.
  • Attack the rock, and it will reveal itself as a Hexe Brimstoneback Crabs. Be warned, when killed, the Hexe Brimstoneback Crab will explode, which can be lethal if you have low health.
  • Once the Hexe Brimstoneback Crabs are dead, you can pick up 2 to 5 Brimstone from their corpses.
  • You can farm Hexe Brimstoneback Crabs by teleporting to the Abyss Nexus in the center of the Brimstone Springs (pictured above), which will reset the enemies in the area.
Crimson Desert Tag Page Cover Art

Crimson Desert
Action
Adventure
Open-World
Exploration
Systems
Playstation Logo Xbox-1 PC-1
Top Critic Avg: 79/100 Critics Rec: 75%
Released
March 19, 2026
ESRB
Mature 17+ / Blood, Drug Reference, Intense Violence, Strong Language
Developer(s)
Pearl Abyss
Publisher(s)
Pearl Abyss
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WHERE TO PLAY

DIGITAL
PHYSICAL
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Genre(s)
Action, Adventure, Open-World, Exploration