Sanzu Haruchiyo has a calm demeanor and rarely talks. He was extremely loyal and much nicer to those he follows and worships. However, it is later revealed that he is also quite manipulative and is exceptionally good at deceiving other people. he was described as a wild horse who couldn’t keep himself out of trouble. As an adult, Sanzu Haruchiyo seems to be more extroverted, blunt, and loud. He is ruthless and displays psychopathic tendencies.