Complex sentence: Cyberdramon also defeated Majiramon and he and Ryo went off to find Cyberdramon's ultimate opponent which led them to Baihumon's realm where Ebonwumon was watching it while Baihumon was fighting the D-Reaper.
Split into simpler sentences: Cyberdramon also defeated Majiramon, and he and Ryo went off to find Cyberdramon's ultimate opponent. This led them to Baihumon's realm where Ebonwumon was watching it while Baihumon was fighting the D-Reaper.