GasMask V1.1 || Compatible With Other Addons || Realms

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Have you ever wanted the caves to be more complicated to explore and not everything was so easy? Well, with this addon, the caves will now give you effects that will complicate your exploration. You will have to use a mask that will allow the correct exploration of the caves and avoid the new side effects. Based on a Java mod, the GasMask Addon arrived to complicate your exploration in the caves.

GasMask Addon Logo


This addon should be compatible with any other active addons!
(Does not use player.json!)


  • You can use it with almost any addon that contains a custom axe, but this does not ensure that it works with all custom axes. Another thing is that this addon DOES NOT USE PLAYER.JSON, so it will be compatible with almost any addon, and you can easily put it last if you want.

Experimental Options🔮

  • For the correct functioning of this addon, you do not need to activate any experimental options!


  • When you put this addon in your world, the caves will automatically become very dangerous, almost impossible to go through them, but thanks to this gas mask, you will be able to go through them without problems. First of all, you will need to craft the following:.

Filter Recipe

  • These are filters and they are crafted in the following way, it will be very important later.

GasMask Recipe


  • Once you have the filters, you can craft the gas mask that will serve to avoid the effects of poison and nausea that you receive when entering the caves from depth 44.

  • If you enter a cave without the gas mask, a sad fate awaits you, as it will make you nauseous and vain (it can kill you). The gas mask will allow you to go through the caves with ease without worrying about being affected by the negative effects that the caves now cause from layer 44.

Updated on July 01

  • Updated to support Minecraft 1.21
Changelog for May 15 / Old Update
  • Updated to support Minecraft 1.20.80
Download links
GasMask Addon V1.1 BH (1.21)
GasMask Addon V1.1 RS (1.21)
Supported versions