Complex sentence: Divided by the catastrophe, Elbryan and Pony (Jilseponie's nickname) struggle to sort out their lives while Avelyn comes to terms with the all-too-human brothers of the Church and the myriad injustices he witnesses them cause.
Split into simpler sentences: Divided by the catastrophe, Elbryan and Pony (Jilseponie's nickname) struggle to sort out their lives. Meanwhile, Avelyn comes to terms with the all-too-human brothers of the Church and the myriad injustices he witnesses them cause.