Complex sentence: In one Yuan Dynasty play, Diao Chan is introduced to Guan Yu by his'brother' Zhang Fei after the death of Lü Bu, but instead of accepting her as the spoils of war, Guan Yu decapitates her with his sword.
Split into simpler sentences: In one Yuan Dynasty play, Diao Chan is introduced to Guan Yu by Zhang Fei after Lü Bu's death. Instead of accepting her as the spoils of war, Guan decapitates her with his sword.