Complex sentence: Rincewind finds Kring, Hrun's sentient sword, and later fights Lio! rt, one of Greicha's sons, and is saved from death by Twoflower and his dragon.
Split into simpler sentences: Rincewind finds Kring, Hrun's sentient sword, and later fights Lio! rt, one of Greicha's sons. He is saved from death by Twoflower and his dragon.