In order to use this technique Tenma must first draw his victims blood and consume it. After this a link is formed between Tenma and his opponent. After this Tenma has to cut out one of the eyes of his victim and bite into it. Upon biting the victim's life force starts to get transferred into Tenma. The longer the duration for which he bites, the more the amount of life force that he absorbs. He can even kill an opponent by absorbing all his life force. While using this technique his hair turns pure white. His eyes also change color with black sclera and glowing red irises. Though he normally carries out the cutting involved with his Single-Bladed Scythe, any weapon can be used to draw blood and gorge out the eye, including his own hands. As he does not carry the scythe while in disguise,