This technique relies on hypnosis, the user would hypnotize himself to harboring exetremly great hatred, rage, bloodlust and malice in their hearts and directing it all at an enemy, the enemy being a Kenbunshoku Haki user would be able to sense all that malice, causing them certain affects, up to the point of paralysing them with fear. When the killing intent is particularly strong, it can even give the victims certain hallucinations such as: Users must have exetremly high emotional control to get themlselves out of that state of bloodthirst after finishing from using the technique.