Nightmare Crow Calls

This is a genjutsu, which is cast by a crow, In this genjutsu a crow caws a few times which drop the opponent under the users genjutsu. The user is free to manipulate the technique and making any illusion they wish their opponent to see. This genjutsu gives the user the ability to manipulate all five senses of the opponent.

Ichirou Mamuro's mastery allows him to affect any sense of the opponent including Chakra Sensing Technique and any other sense the opponent might have for example: Heat sensing technique.