Haoshoku: Jubaku

Haoshoku: Jubaku (覇王色 呪縛, Haō-shoku: Jubaku; literally "Color of Conquerors: Curse") is an advanced technique of permitted only to the most skilled of  users. It goes beyond standard overwhelming of a victim's will, requiring fine-tuned control of the manifested spirit as it enables the user to inflict their wishes and desires onto another by way of a curse. Although unproven, it is presumed that it is through this method that certain phenomenon, such as Sword Curses, are possible.