The Sequel to "Pegasus War" "Runo's Sword" follows the training of Naako by Runo, trapped inside the Black Diamond Sword; alongside flashbacks that took place during the 300 years prior to the events told in this book. There is much more insight revealed into the world where the story takes place. The White Diamond Sword is introduced, new characters are revealed and we learn the fates of Commander Byron, Nex Nurez and Eyrian... leading up to a very different ending and a climactic battle