Greetings! Thanks for this thread. Judging from your criteria you may enjoy my story. If you do end up reading it, I’d love to hear any thoughts you may have. 
Title: Magicka: Dark Star
Author: Silver Lady
Style: LL
Status: Finished (3 episode short story)
Description: Lyal was born under a dark star, an omen of evil and death . Will she rage against the dying of her light? Or will she embrace her dark destiny? (choices matter, 4 endings).
Link: http://episodeinteractive.com/s/5969712374808576
Cover:
