Complex sentence: They succeed in killing the Templars and retrieving the Apple, though Ojeda captures Maria in order to force Aguilar to surrender it; but she chooses death, and Ojeda fatally stabs her before Aguilar kills him.
Split into simpler sentences: They succeed in killing the Templars and retrieving the Apple, though Ojeda captures Maria in order to force Aguilar to surrender it. Instead, Maria chooses death, and Ojeda fatally stabs her just before Aguilar kills him.