Board Thread:General Discussion/@comment-30542316-20170522204707/@comment-30542316-20170605103105

Immunity to conventional disease is common. Immunity to some minor diseases is actually something ordinary humans are capable of. As for poison? That would just be resistance I'f say. In some cases poison is an application of elemental manipulation and you cannot be immune to that. "Immunity to fire" for example just wouldn't work. You may be immune to flames that can only reach a certain temperature, or any temperature but what about flames that rot/destroy? Or flames that are colder and hotter than any flame to ever be produced like Izanami from Higanbana no Saku Yoru ni, or something absurd like flames that burn away your soul/the concept of yourself, or burn you from existence? There's so many different pathways of fire manipulation that it is impossible to be immune to all types of fire manipulation unless you're 1-A or above.