Burning sulfur is very toxic. Forms H2SO4 in the lungs. Hopefully it doesn’t happen.
“Burning sulfur is very toxic.“
Indeed it is. The oxidation (burning) of sulfur results in SO2, the gas that is that “rotten eggs” smell. Fortunately, if you can smell it, that is when the air concentrations are low, it is not fatal, but when the concentrations go above a couple of hundred parts per million, you can no longer smell it, primarily because you are dead at the point.
Burning....... is the wrecked sulfur burning?