Complex sentence: Jupiter survives the collapsing structures, only to land at the feet of Balem who tries to kill her; but she defeats him in a fight, and is rescued by Caine while Balem falls to his death.
Split into simpler sentences: Jupiter survives the collapsing structures, only to land at the feet of Balem who tries to kill her. Jupiter defeats him in a fight, and is rescued by Caine while Balem falls to his death.