Black Dragon (黒龍, Kokuryū) is one of Ranma's most powerful techniques; When pushed to his limits, Ranma can drain the blood from his body and wield his maximum strength remotely as an almost invulnerable, winged dragon blood mannequin. In battle it is capable of smothering and then drowning the opponent. When used is conjugation with Blood Control upon attacking the enemy, the dragon is capable of infecting the opponent with Ranma's blood, allowing him to slowly gain control over their motor functions. Black Dragon also has the ability to drain blood from someone without biting them. If this technique were to turn against him somehow, Ranma is able to re-absorb it