On the open fields on all sides, there is a fortress that is easy to defend but difficult to attack.
The tunnel with a total length of 15.7 kilometers is connected with the concrete bunkers and trenches. Hemispherical rotating armored turrets, anti-aircraft gun positions, anti tank gun positions, and heavy machine gun positions are all available.
This is the largest military base of the Legion in Oasis 2, called Horn Castle, built by General Klass, the former commander of the Legion in Luoxia Province.
It is said that the army with a scale of one million can be stationed!
In order to meet the huge material demand of this fortress, General Klass not only arranged to build a road from the nearby river embankment to