The Blood Miracle Seal which takes the form of a bulls eye on the Isamu's forehead - is used to gradually increase blood vessels and the creation of blood, giving Isamu an endless amount of blood to use. This technique protects the user from dying of blood lost and gives them an unlimited amount of blood allowing him to use his blood techniques as his body was a host for an ocean of water. This mode only lasts for twenty minutes, and when deactivated it makes Isamu drastically fatigue.