Thorsson II. has been the head of the Islyn Dynasty, since 2405 duke of Islyn and Ulfmærr, and since 2408 King of the Kings (Kungenes Konge) of Kazulia. He was the leader of the God's and the King's Fighters, a Kazulian party, which his father had refounded, together with Aurelianus Archemid in 2368.