Complex sentence: The Horseman, no longer under Lady Van Tassel's control, simultaneously kisses and bites her, and he hoists her up on his horse, then rides to Hell taking her with him, fulfilling her end of the deal with the Devil.
Split into simpler sentences: The Horseman, no longer under Lady Van Tassel's control, simultaneously kisses and bites her, and hoists her up on his horse. He then rides to Hell, taking her with him, fulfilling her end of the deal with the Devil.