The northwest of Sea-Sealing County had four prefectures.11

To the far west was Tranquility Prefecture, which was also the location of the western front. To the north was the icy Tidefall Prefecture, which was the other main front line of the war.3

Squeezed between those two prefectures was Rainfield Prefecture.2

Water that drained into Rainfield Prefecture from the melting tundra to the north ensured that the place had a lot of water. However, it also had subterranean volcanic flows that caused mist to rise up from the ground year-round. That mist would then turn into rain, which was why the prefecture was named the way it was.0

In the spot where Rainfield Prefecture neared the county capital was the fourth of the northwestern prefectures, which was Enlightenment Prefecture. The name of the prefecture came from the very famous mountainous region called the Enlightenment Highlands.10

Mountainous regions and mountain ranges are different. The latter generally stretch out in a specific direction. They’re composed of easily distinguished mountain peaks and valleys. Their clear geography and vast range distinguish them from mountainous regions. A mountainous region doesn’t have such obvious terrain features, and might even contain volcanic belts. There might be countless mountain peaks interspersed with vast stretches of...16