Complex sentence: At first, she was willing, if not quite fully cognizant of what this would entail, but then Angelique, who had become far more powerful after her death, revealed to her a vision of what she would become.
Split into simpler sentences: At first, she was willing, if not quite fully cognizant of what this would entail. But then Angelique, who had become far more powerful after her death, revealed to her a vision of what she would become.