Genjutsu was not impossible to break. One could forcefully dispel it by disrupting one's own chakra flow, or have someone else disrupt one's chakra to break it.
There was one prerequisite for breaking it on one's own: one had to realize immediately that they had fallen under a genjutsu, then disrupt their chakra before the opponent could follow up and finish them off.
That required experiencing genjutsu often and understanding the subtle differences between illusion and reality. This was where Yuhi Kurenai came in.
Then, by using genjutsu to temper one's mental willpower, one could improve their resistance to genjutsu. That way, low-level genjutsu would find it difficult to take effect.
There were quite a few similar examples. Shizune and Nohara Rin specialized in medical ninjutsu and were responsible for treating their classmates' injuries, whether from training or sparring.
They had even taken over the school infirmary, gaining sufficient clinical experience that way. During holidays, they would even intern at the hospital.
Everyone was working incredibly hard. As for those who did not want to work hard, Yang Hao would make them work hard. Everyone's strength was rapidly improving.
"Class President, you went to learn genjutsu from Senior Red Sunset!"
Uchiha Obito was the first to crowd over, looking extremely excited.
"Yes. I benefited immensely."
Yang Hao nodded. He had indeed learned a great deal about genjutsu from his future father-in-law.
Although Teacher Orochimaru and Tsunade were stronger than Yuhi Shinku, their attainments in genjutsu were far inferior. Even Orochimaru, a versatile talent, could not compare. Otherwise, he would not have been so easily one-shotted by a single genjutsu from Uchiha Itachi in the future.
With his future father-in-law's help over the past few days, he had refined his Illusion Realm considerably.
He had truly benefited immensely!
"Can you teach