Prince Ther'Os is queen Kaliendra's elder brother. He's the Royal Historian, general of the Abunese cavalry and occasional teacher at the House Life of Enit. His job is involved into the research of the ancient history of Abun, mainly the one before the unification of the country and the unification wars led by Yaz "Buraldkin", the first king of Abun.
Currently, he has published twelve books about the ancient Abunese history, making him highly respected among the Enitian intellectuals. His secret obsession is to prove the existence of Yaz "Buraldkin" that is still considered a speculation.