Complex sentence: Tai Lung unleashed all his rage and hatred during his battle and gravely wounded Shifu, who he blamed for his incarceration and failure to become the Dragon Warrior, furiously demanding to know if Shifu was satisfied with turning him into the monster he had become.
Split into simpler sentences: Tai Lung unleashed all his rage and hatred during their battle and gravely wounded Shifu. He blamed his adoptive father for his incarceration and failure to become the Dragon Warrior, furiously demanding to know if Shifu was satisfied with turning Tai Lung into the monster he had become.