Complex sentence: At court banquets, he killed cats and served them to his guests and court officials and made them devour, he would play around with the decapitated heads in front of the court audience, making them frightened and they dared not complained about the ruler's audacity.
Split into simpler sentences: At court banquets, he killed cats and served them to his guests and court officials and made them eat. He would play with the decapitated heads in front of the court audience, making them frightened so they would not dare complain about the ruler's audacity.