Complex sentence: Far from Rin, the Keeper of the Crystal-leader of the Maris people-is dying and a messenger brings this news to Rin where Rowan learns that his mother is to choose the new leader from one of the three warring Maris clans.
Split into simpler sentences: Far from Rin, the Keeper of the Crystal-leader of the Maris people-is dying. A messenger brings this news to Rin, where Rowan learns that his mother is to choose the new leader from one of the three warring Maris clans.