Complex sentence: Glory quickly establishes herself as one of Buffy's most dangerous and determined enemies; at one point, she confronts Buffy in her own home, openly threatening to kill Buffy's friends and family and force Buffy herself to watch her do so.
Split into simpler sentences: Glory quickly establishes herself as one of Buffy's most dangerous and determined enemies. At one point, she confronts Buffy in her own home, openly threatening to kill Buffy's friends and family and force Buffy herself to watch her do so.