A trap technique that is activated when one comes into contact with the user's chakra. Upon doing so, pre-existing blood will form into wolves and attack. Despite being damaged, the wolves will simply reform, keeping the enemy occupied and causing them to lose their stamina and tire them down. Isamu uses these wolves as mediums for his ocular techniques, allowing for Isamu to trap the opponents in genjutsu if they come into direct contact or glance into the wolve's eyes.