devtrackers.gg
I like this idea. "Scanners indicate hazardous breathing conditions. The crystals down there can be refined to oxygen, so we've attached a converter to Molly. Bring her Dystrum or Nitra." That'll make it a challenge, to balance bullets with breathing. Maybe a "kill one dreadnaught" or a lesser amount of eggs or aquarq, but it's hell just getting to it.
Get on that, u/gsg_jacob :)
Who said that all parts of Hoxxes IV have a breathable atmosphere? ;)