Nemui

Description

During the finals of the Chūnin Exams, Nemui was pitted against Itachi Uchiha in the semi-final round. His fighting style gave Itachi trouble, as it allowed him to dodge his attacks and made genjutsu ineffective. Eventually, Itachi found an opening in which to cast genjutsu on Nemui. After using genjutsu during each opening, Nemui becomes too traumatised to continue the match, granting Itachi a victory.

Backstory

During the finals of the Chūnin Exams, Nemui was pitted against Itachi Uchiha in the semi-final round. His fighting style gave Itachi trouble, as it allowed him to dodge his attacks and made genjutsu ineffective. Eventually, Itachi found an opening in which to cast genjutsu on Nemui. After using genjutsu during each opening, Nemui becomes too traumatised to continue the match, granting Itachi a victory.