Armin is very kind and selfless. He worries about the safety of his friends and is ready to take extreme measures to save them. Also, Armin is very rational and balanced.Armin has an analytical mindset. He is very good at coming up with strategies for solving certain tasks. These qualities, combined with intelligence, rationality, endurance, the ability to think through a plan for several steps ahead and initiative make him an excellent tactician and strategist.