The story , set eighteen years after Destiny , follow Kyle Dunamis , the son of the previous game 's protagonists Stahn Aileron and Rutee Katrea . Shortly after meeting a mysterious girl named Reala while trying to save Rutee 's orphanage from bankruptcy , Kyle is drawn into conflict with Barbatos , a cruel warrior responsible for killing Stahn , and the machinations of Elraine , a religious leader seeking to bring peace to mankind . The gameplay use two @-@ dimensional character sprites and backgrounds , and the battle system is a revamped version of the series ' trademark Linear Motion Battle System .