Iya, as Yakhnur - fire maiden. These creatures appeared in ancient times, in a high-altitude village. They became ordinary human girls, but necessarily native inhabitants of the village. As they grew older, they began to show signs of this curse (or gift). When it gained full power, they were completely transformed into formless fire. After that, they rushed and burned everything in their path.

Iyaneht the youngest representative of this species. Her ancestors left the village hundreds of years ago. Until now, they had been freed from the curse...

I'm sorry, I don't know English well enough. So everything is from the translator*