What sins would you commit to preserve the one you loved?

gather round, kidlings, and i'll tell you the story of a creature so evil he smote his own son, and a girl so feirce she delved into the dark arts in a bid to save the one she loved.
Will Zanae give way to the evil she is warring against, and become the worst danger of all to the one she wishes to preserve...?
we'll see.