Complex sentence: The alternative to the chemically induced fantasy world she had built for her puppets is a reality where they have murdered everyone who cared for them, she has yet to lose control of a subject whom she has completely enslaved.
Split into simpler sentences: The alternative to the chemically-induced fantasy world she had built for her puppets is a reality where they have murdered everyone who cared for them. She has yet to lose control of a subject whom she has completely enslaved.