[quote=@The 42nd Gecko]
[@TheWindel] Yes, but unless you're stealing the oxygen from their bloodstream, they've still got a few minutes before there being no oxygen in the air actually starts hurting them.
[/quote]

What part of "steals the oxygen in the area in a matter of moments" don't you understand? You don't have minutes. You have moments, and I doubt you're able to do anything if you're going to die in the next moment.