Complex sentence: All the chapters are titled either "One" or "Two", beginning with "Two", perhaps to emphasize the'time travel' theme, with all "One" chapters featuring Red Dorakeen, and all "Two" chapters featuring secondary characters.
Split into simpler sentences: All the chapters are titled either "One" or "Two", beginning with "Two", perhaps to emphasize the'time travel' theme. All "One" chapters featuring Red Dorakeen, and all "Two" chapters featuring secondary characters.