Leonin first met in the Miraculous Field performing a dark ritual; she escaped the first encounter and fled. Only to show up again in Meletis running an underground gambling den. After going through her journal and talking with Baragon you learn that her entire pride was massacred by men from Asphodel; she had blamed the actions of Baragon and his brother, Brimaz, for her loss. However it was actually a shadowy person known as L who was pulling the strings behind the scenes, leader of Hizumi. An organization Seza started working for, guided by Phenax in the hopes of climbing the ranks to take her revenge against the polis, however she was unaware of the actions they had done. She has agreed to team up in order to destroy Hizumi and seek her true revenge, but she still seems distrusting of everyone. She is currently patiently awaiting everyone in Asphodel.