It wasn't exactly difficult. More precisely, the Eight Inner Gates were easy to learn, but extremely hard to master!
There was only one reason they were so difficult to master: the number of gates a user could open was tied to their physical strength. As long as their body was strong enough, opening the gates was simple and came naturally, without any effort.
But increasing one's physical strength was no easy task.
A ninja had to do a great deal of taijutsu training, then use many precious medicinal herbs and things like the blood of high-level Magic Beasts to maintain their body and prevent hidden injuries from training. Unless you were wealthy, you couldn't afford it.
Training Ground.
Every student was doing their utmost to show what they could do. How many resources they received from the academy in the future depended on this, and no one wanted to disappoint their teachers or the Vice Dean.
Ling Yiyi's powerful Genjutsu made a deep impression on everyone. Each time, she needed only one illusion to leave her opponent unable to resist. Its immense power made Zhang Dong and Bai Chun's expressions change.
"Zhang Dong, Ling Yiyi is a terrible matchup for you!" Bai Chun said gravely.
Zhang Dong's expression turned awkward. He was strong in both taijutsu and ninjutsu, but he was weak in Genjutsu—so weak that he was even worse at it than Bai Chun, a sensory ninja.
"Ugh, if I'd known there'd be a Genjutsu ninja among the new students, I should've prepared in advance. This is going to be tricky." Zhang Dong sighed.
He wasn't afraid of Ge Long, nor Zhong Hang. Although both were strong—one had mastered Chidori, while the other had opened the Fourth Gate of the Eight Inner Gates—Zhang Dong was still confident he