Complex sentence: Ma Chao returns to Yiling, where he is able to rescue his comrades Ma Dai and Pang De, as well as free Kunoichi from Kiyomori Taira's control, but was unable to save Huang Zhong, who had inadvertently sealed off his only escape route.
Split into simpler sentences: Ma Chao returns to Yiling, where he is able to rescue his comrades Ma Dai and Pang De, as well as free Kunoichi from Kiyomori Taira's control. However, he was unable to save Huang Zhong, who had inadvertently sealed off his only escape route.