Mod: Gas Poisoning [1.21+]

Mod GasMask will significantly complicate your survival in Minecraft PE (Bedrock). Now, going down to the level of 44 blocks deep, you can be poisoned by gas. And to avoid death - you need to wear a gas mask.

Feature mod on Gas Poisoning

You can use this mod in Minecraft PE (Bedrock) with absolutely other addons, and nothing will conflict with each other, because this addon does not use PLAYER.JSON.

Gas mask

Just put on the gas mask in Minecraft PE (Bedrock) and you will be able to go down a mine up to 44 blocks, and you will not get negative effects from the gas that is present in mines with this mod.