sentences:  It is later revealed that the leader of Robert's Ten (Karlpaccho) had placed a Death Pentagon insect on Sano's King of the Celestial World Candidate Inumaru, that would kill him by instantly removing all his blood should Sano disobey him.Sano is highly competent and creative with his power, creating shields, springboards (spring), traps, and even boomerangs which he calls "boomerang cutter".He is a formidable opponent with a high aptitude for combat and is considered to be a genius by others.