Complex sentence: This portrayal greatly deviates from the book in that Dracula does not take Renfield's life at the end of this film, instead Renfield survives and is indirectly responsible for causing Dracula's death by exposing him to sunlight when trying to help him escape.
Split into simpler sentences: This portrayal greatly deviates from the book in that Dracula does not take Renfield's life at the end of this film. Instead, Renfield survives and is indirectly responsible for causing Dracula's death by exposing him to sunlight while trying to help him escape.