Background
At young age, as with all children from House Surtova, he was fostered out to learn his noble house trade. In Belros case this was the role of infiltration and sharpshooting for his noble house had a long standing tradition to be held up high. Aidan is Belros father and an officer in the army of House Surtova and he trained young Belros in the ways of battle.
There was little doubt that Belros would become a warrior of skill it was in his bloodright to be amongst the very best just like his father was the best shooter in Surtova. 2nd in line, there was no way he would inherit in his more than some lofty accommodation and loyal service to his family.
But for all his friendly demeanor, Belros is feared for the ruthlessness he undertakes a task and well liked amongst his peers for his commanding respect. He has a sense of fun, a willingness to cooperate for a common goal, and he delights in drinking a good wine.
When he came of age he was given his soldier outfit of his noble house. After receiving this honors he left home to become a greater warrior and maybe some day even forge his own noble house.