Complex sentence: He has been entombed beneath Sunnydale for 60 years as the patriarch of a cult posed opposite Buffy, a character who was created to subvert media tropes about frail women falling victim to evil characters.
Split into simpler sentences: He has been entombed beneath Sunnydale for 60 years. He is the patriarch of a cult posed opposite Buffy, a character who was created to subvert media tropes about frail women falling victim to evil characters.