|Featured In||The Rithmatist|
In the history of the Rithmatist, the Mongols were turned to work for the JoSeun empire during the Koreo Dynasty. 
The JoSeun are mentioned as being devoutly Buddhist. 
The name perhaps comes from Joseon, a Korean state that lasted from 1392 to 1897.
|Characters||Joel Saxon · Melody Muns · Professor Fitch · Andrew Nalizar · Principal York · Inspector Harding|
|Places||Armedius Academy · United Isles of America · Tower of Nebrask · Britannia · JoSeun|
|Magic and Lore||Rithmatics · Chalklings · Forgotten · Church of the Monarch · Inception · Shadowblaze · The Melee|