Shattersteel - Her Pitiless Command, #3

The final chapter of the Her Pitiless Command series, this dark fantasy tale finds our assassin protagonist embroiled in court intrigue, malfunctioning prosthetics, and a deadly love triangle. For her entire life, Nuawa has made herself a weapon to assassinate the Winter Queen. She failed. Her secrets are laid bare and she has lost everything. The queen keeps Nuawa as a tool, and soon a sacrifice as she brings her ultimate goal to fruition: to harness the divine power of her makers that'll make her lover General Lussadh immortal. But Nuawa isn't done fighting yet.
She has one final chance-and she will take it, trading her soul to try one last time to end winter's eternity ... even if it means she must lose Lussadh forever.