Complex sentence: Farid, who has given up his fire after the death of Dustfinger, works for an increasingly wealthy Orpheus, who treats him like a slave while promising to read a dead Dustfinger back to life.
Split into simpler sentences: Farid, who has given up his fire after the death of Dustfinger, works for an increasingly wealthy Orpheus. Orpheus treats him like a slave while promising that he will read a dead Dustfinger back to life.