The area around Takachiho is where the mysterious energy that has remained since the day of the final battle 50 years ago is the strongest. Miwa felt that the investigation was important, but she hesitated to send the investigation team to the high-pressure reaction that far exceeded her common sense. However, Takachiho's reaction to high pressure suddenly subsides, and Miwa decides to investigate her. What did the swordsmen see in the misty Takachiho crater?