Regarding Arthur's general attitude, he is stoic and humble and never feels a need to prove himself to other members of the gang. Arthur is cunning, intelligent, and very self-aware, which allows him to maintain a cool demeanor even under pressure. Arthur is a cold, brooding outlaw who often resorts to violence and has very few qualms about killing. At his worst Arthur can be extremely ruthless and completely unsympathetic to the people he hurts.