"King, calm down." Treemountain Ancestor assured him, "Since I'm here, there will be no severe injuries to suffer. So rest assured."
Treemountain wouldn't want the princess to be gravely injured because of this battle, so they must be prepared to stop the battle should Abyss Scion cross the boundary. After all, in battles, swords had no eyes and fatal injuries were normal.
King Blumur thought that the ancestor had a point. Since they want his daughter, they wouldn't want her to be injured severely.
Meanwhile, Fiarra was focused on the battle. She was not even aware that the other party was already going a little overboard. She watched Jin Rou battled the dragon emperor in the Dragon Sky and that sequences had replayed in her mind countless times.
She wanted to copy the moves, but she knew it's impossible unless the Young Noble taught her personally so. But she learned something about how to wield the blade.