The episode begins with Ruuji and co. heading down into a large canyon. Using the map he got from the mayor of Katou. Everyone is extremely surprised at its accuracy, but Ra Kan is also amazed by Ruuji, who has successfully managed to figure out how to properly read the complex book. The reason for this trip is given in flashback. It was Ruuji, who had suggested that they should attack Digu, Digald's capital, even though Da Jin notes that this would be suicidal, even with their entire army at full capacity, and would lead to an even greater loss than before. But the idea was not the defeat Digald. Rather, it is simply to show their power, to bring confidence to the remaining forces who are hesitant to join their forces. He reveals that with the map told him of the otherwise difficult to fi