Complex sentence: Facing each other for the last time, Hibiki and Yamato conclude their debate in stark disagreement, with Hibiki ultimately defeating Yamato by fusing all of his friends' demons.
Split into simpler sentences: Facing each other for the last time, Hibiki and Yamato conclude their debate in stark disagreement. After a fierce battle Hibiki ultimately defeats Yamato with a fusion of all of his friends' demons.