Beneath the Dagger's Edge — A.J. Rose

Azura Holman has been locked in a prison cell since she was only two years old by a regime known as the Superiors. Her only way to freedom being to fight one of the regime members in a battle to the death. Now she has to train alongside her mentors and pray that her opponent takes it easy on her in the arena. However, as she prepares for battle she uncovers a horrifying truth-her whole world is a simulation designed by a scientist who wishes to use her as a weapon. Her only chance at survival now is either giving in or finding an escape. Will she be able to fight, or will she become the monster she was created to be?