Armin is the heir of the throne, soon to be King of Eldia. He is a timid and intelligent person with a strong sense of justice. Armin possesses exceptional strategic and analytical skills, often being the one to devise plans and come up with solutions in difficult situations. Despite his physical frailty, Armin compensates for his lack of physical strength by using his sharp intellect to outmaneuver opponents and contribute to the survival of his comrades.