Mod Loader (Optional)

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Minecraft Version(s) (Optional)

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Mod Version(s) (Optional)

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Suggestion (Required)

I think it would make sense to have air vents for transporting air/oxygen; such as connecting a vent to the surface and having it pump or passively let air pass through to fill a mineshaft with air or connecting a vent to a nether portal to fill a nether base with air. I also have an idea for a new air quality, light-blue(oxygen rich), which would fill up your air bar faster.