An exclusively female species, and actually members of the Sun – though you wouldn’t want them healing you. Their method of healing essentially involves the wounded one never feeling anything again, which doesn’t necessarily mean turning to literal stone.
What they do is worse.
In less kind times, a “patient” of the gorgons was called soulless. This isn’t the case anymore, though such survivors will always be unnerving: all feeling is gone, physical and emotional.
The scale of a living gorgon is considered lucky, and a common trade item in the magical black market.
As a side note, nobody knows how the gorgons reproduce. They won’t tell, and no one really feels like asking them.