Svetlana

"Something dwells in these ruins and preys on the weak minded. The legends say that long time ago, she used to be a woman, an alchemist, but nobody knows her name.
Constant need to experiment with forbidden knowledge clouded her mind and drove her insane, she started to experiment on herself and it changed her forever. If you see her, it's already too late"
/Sorry for my bad writing.
Svetlana is a Slavic name and means light, I gave her that name for the irony of what she had become. The night creature is inspired by eastern European folklore and Greek mythology.