It is released naturally by volcanic activity and is produced as a by-product of copper extraction and the burning of sulfur-bearing fossil fuels.

Oh, so, if this is a good thing, that means “fossil fuels” are good and you lied about everything for decades… right?

Incidental exposure to sulfur dioxide is routine, e.g. the smoke from matches, coal, and sulfur-containing fuels like bunker fuel. Relative to other chemicals, it is only mildly toxic and requires high concentrations to be actively hazardous. However, its ubiquity makes it a major air pollutant with significant impacts on human health.

Kill everyone responsible for this. It’s a chemical attack on neighboring states.

The Northman has taken on a controversial mission of releasing their souls from their bodies.