NGL, I’m low-key goading the science dweebs among us to find the most efficient/plausible scientific explanation for all this fantasy nonsense. We have to find the dragon diet that would support the version of dragons that routinely exhales superheated air (as opposed to having an extra chamber of chemicals they ignite on demand), while still maintaining other dragon tropes.
Yes I know that’s what one approach. I was trying to consider the case where they can’t help have their breath be superheated