Kars is intelligent, ruthless, and single-minded in his dedication to obtaining the Red Stone of Aja. He was stated to have been a genius among the Pillar Men, having been the original creator of the Stone Mask. Initially, he appears to be the most aloof and no-nonsense of the Pillar Men, rarely smiling. He, however, love dogs. With the advantage of his resilience and immortality, Kars is a methodical and patient individual.