The Black Dragon before them left the hidden town with the purpose of investigation. Normally, it’d turn into human form after passing the mountain range, then it’d work hard in secretly gathering information, but it thought to rest a little before that, and it seemed to have taken a rest in the vicinity of first and second mountain range. Naturally, it used the Ryuujin race’s peculiar magic; “Dragon Form” and turned into the Black Dragon because there were demonic beasts in the surroundings.