Such as the other forces, especially underground dark forces like the Black Spade "A" Organization which lack knowledge or insight. They directly perceive the unyielding immortality of the Dead Blood behind the Sand Dust Organization as Biochemical Humans. Seemingly believing, as in the recent popular superhero comics throughout the Federation, that the Sand Dust Organization has mastered some kind of dark tech.
In Casio's personal assessment, he could not afford to be in a passive position.
Furthermore, the characteristics of the Secret Martial Art of the Demon Idol made it difficult for Casio to ignore these dark creatures hidden within human society.
Life Vibration Energy, whether used to boost his own strength, or to expand the formation of forces, plays a significant role.
His idea was to infiltrate the Dark Creature Tribe with the Shadow Demon as a sort of second body, a mole among them, and an undercover agent. It would serve a great purpose.
