Ymir, at first, seems to be rude, selfish, and not afraid to be confrontational. She is able to manipulate situations into doing what she pleases. She is very perceptive and is able to find out the nature of the people around her with alarming accuracy. She tends to criticize those who don't remain true to themselves. But she does have a kind side especially with Historia Reiss. But no matter how selfish she acts, she lies to herself to act like that when in reality she is extremely selfless