Kassandra

when she was a child, Kassandra's baby brother Alexios was thrown off of mount taygetos but when Kassandra tried to save him she fell accidentally knocked a milatary general off the mountain too so her father, Nikolaos, threw her off the mountain too. Kassandra survived the fall and Alexios did too but he got found by a member of the cult of Kosmos and then the cult raised him to be a vicious fighter.