Bortbyting - Changeling

I love nordic folklore and wanted to create a character inspired by the stories I've heard, and thus I started working on a troll changeling, or "Bortbyting" in swedish.

My idea is that she grew up in a human town without anyone knowing that she was a fae creature, not even herself. As she got older she started changing into a more troll like form and was unwillingly, as a consequence, scaring the people of the town. In my concepts and story boards I wanted to explore the idea of her having to balance between trying to fit in with the human world thats starting to shun her, and the world of fae where she is starting to explore in hope of finding her origin.