I’d say you’re dead once you take a breath of that. It’s probably going to feel like you’re breathing 100% nitrogen because your body will think it’s breathing out CO2 like normal. You’ll get weak really fast since you’re deprived of oxygen and then you just die because your blood cells are ruined.
Ok, now what’s the result for CO 1,000,000ppm?
That’s what the Lich has done. It has filled the space with CO.
I’d say you’re dead once you take a breath of that. It’s probably going to feel like you’re breathing 100% nitrogen because your body will think it’s breathing out CO2 like normal. You’ll get weak really fast since you’re deprived of oxygen and then you just die because your blood cells are ruined.