Knights, as explained by the producer, are a symbol of authority. These armored sentries are in the upper echelon of society and spend their days honing their skills.
Mercenaries live a life of non-stop conflict. As hired hands, mercenaries are often drifting from one war to the next. The heroes in The Last Story are part of the mercenary group and aspire to become knights. Mercenaries are hardened by their experiences. The director says this group knows the pain of losing loved ones, having their possessions stolen, and watching others raze their villages. Mercenaries exist without knowing tomorrow, explains the unnamed producer.