Complex sentence: Rather than intentionally committing suicide by asking her nurse to open the blinds, she mindlessly chews on her own flesh after awakening into vampire mode, and the nurse, oblivious to the situation, opens the blinds, causing Virginia to burst into flames.
Split into simpler sentences: Rather than intentionally committing suicide by asking her nurse to open the blinds, she mindlessly chews on her own flesh after awakening into vampire mode. Oblivious to the situation, the nurse opens the blinds causing Virginia to burst into flames.