As the ship sailed above the clouds, they finally entered the aerial territory which didn't belong to any officials.
Although the ship was relatively safe by sailing just above the clouds, the dangers still linger about.
Aerial beasts often soared high enough to prey on any flying object that was visible for them.
The ship's altitude also had to be maintained all the time. If the ship was flying too high, there's a chance that the ship would be pulled out from the atmosphere and enter the orbital zone of the Argoth Continent.
Seeing the curved horizon in front of him, Arthur was certain that the world that he lived in was a spherical one, not a flat plain that he always thought of.
However, many people still believe that the Argoth Continent was a flat plain with an edge at the farthest point.
The young girl, Yin, brought him a cup of herb tea on a tray for him after he stood at the bow for hours already.