Personal warship of Imperial Fleet admiral Wilhelm von Littenheim.
Built with heavily reinforced armor, the Ostmark saw a great deal of combat in the Imperial Civil War. The vessel was eventually siezed by Rheinhard von Lohengramm's forces upon Littenheim's surrender.
Length: 1116 meters.
Width: 241 meters.
Height: 337 meters.
Armament: 12 forward cannons; 22 port cannons; 22 starboard cannons.