Reigen has few to no qualms about manipulating clients, enemies, allies, and even spirits to his own advantage. He is a man guided by principles and is very socially and emotionally intelligent. He believes hurting others is wrong and and tells his disciples that often, demonstrating his honorable and noble side covered by his shady business. He is also a very intelligent man, capable of analyzing a person's psychology fairly well and giving advice to several people, which makes them better. 