Sengoku appears to be an exceedingly proud, enlightened, and intelligent man who was loyal to the World Government and, up until the cover-up of the Impel Down incident, never questioned orders from them. He also will not accept any reason for letting a criminal go, and also has a habit of getting very irritated with failure. His motto is "Reigning Justice" He has shown himself to be an extremely calm, composed, collected man, he has also shown himself to be quite capable of anger and violence.