Complex sentence: A small sentient alien entity of barbs and hooks, named Firx, is attached to his liver to encourage his "unremitting loyalty, zeal and singleness of purpose," and Iucounu uses a spell to transport Cugel via flying demon to the remote Land of Cutz.
Split into simpler sentences: A small sentient alien entity of barbs and hooks, named Firx, is attached to his liver to encourage his "unremitting loyalty, zeal and singleness of purpose,". Iucounu then uses a spell to transport Cugel via flying demon to the remote Land of Cutz.