Complex sentence: Xena arrives to free them from the Romans but during the battle she is injured by her own chakram, Gabrielle seeing her friend is need turns from the path she had chosen and begins killing the soldiers before they can attack Xena.
Split into simpler sentences: Xena arrives to free them from the Romans but during the battle she is injured by her own chakram. Gabrielle, seeing her friend in need turns from the path she had chosen and begins killing the soldiers before they can attack Xena.