This is a Soul Edge only technique, it is one of the The Circles of Hell. The opponent(s) is encircled by a black circle in order to activate this technique. The target(s) will lose sight of their goals and free will and fall under Minkai's control. This technique was first shown when the Soul Edge possessed Minkai used this technique to control hundreds of ninja and used them to overtake the 5 nations. When minkai uses it, he can only maintain up to 10 people at once whereas the soul edge possessed minkai couls maintain millions at a time.