Kars is the Battle Tendency's major opponent. He was able to attain the title of "perfect being." Kars had an IQ of 400 in peak condition. He may also employ Hamon in his ultimate form. Stroheim compared his hamon to the intensity of the sun since it was hundreds of times stronger than Joseph's. Hamon is a force to be reckoned with, but not invincible. It has been suggested that he might be killed if you hit him hard enough. However, this has never been confirmed.