Complex sentence: Vorenus and Pullo are accepting their possible deaths until Vorenus ties a raft out of corpses.They both swim out to sea.While, Pompey and Caesar's remaining armies battle each other in Pharsalus, Greece.
Split into simpler sentences: Vorenus and Pullo are accepting their possible deaths until Vorenus ties a raft out of corpses. Meanwhile, Pompey and Caesar's remaining armies battle each other in Pharsalus, Greece.