The Beastlings are loyal companions to the Humans. They are naturaly large beast that are great attackers and defenders. Their true names are kown as Crugens. But because of their large size, it is impossible for them to enter any cities. So unique and magical shackles were created in order to give them humanoid forms. The shackles can be removed only by the human who binds it to the Beastling. If it is not removed, then they will be trapped as such for ever more.