Secret Technique: Cat's Saint.

A secret Genjutsu known in Nekorima which Targets the Victim's mind and Bring to Life all of their Fears. The Jutsu isn't Limited to anything, Techniques , Humans .... Not much Known about the Genjutsu, but When Kirigaya Used it in a Legendary battle , like he refered , His opponent was afraid from the Dark , he Turned the place in his victim's head in a dark Place.