[Thorin] is cantankerous and often cross. I found this characteristic interesting and, at the beginning, it was a bit hard for me to determine where it sprang from. I’d say this surly and aggressive side is something all the warrior dwarves share, but Thorin, on top of that, cant stand the thought that he’s been stripped of his kingdom in such a violent way. In addition, he’s suffered the loss of his rank in the dwarf society, going from the privileged status of a royal family member to that of a wandering warrior. He’s ashamed of such a decline..