Levi Ackerman is renowned for his cold demeanor, seriousness, and sharp sarcasm, paired with an indifferent attitude and relentless efficiency. His exceptional discipline and combat skills earn him both respect and fear. Despite his distant nature, he displays unwavering loyalty to his comrades. His perfectionism, while a virtue in many ways, also makes him highly demanding of himself and others. He struggles to express his feelings, finding it difficult to admit his emotions and open his heart.