It was merely a utilization of the human body.
Having learned many martial arts cultivation techniques, Wang Ye had many ways to counter the ninjutsu of Ninja Country.
Moreover, the moves that Wang Ye displayed were even more powerful than the ninjutsu of Ninja Country when compared.
Soft Bone Technique.
As Zhumu Youndou's body softened, Wang Ye's body also collapsed to the ground like a puddle of mud, his dagger having disappeared from his hands at some unknown point.
His fists instantly became rigid, a special boxing technique learned from the martial arts cultivation techniques.
He could use the True Qi within his body to gather in the bones of his fists and other special areas, making Wang Ye's fists incredibly hard.
When using his fists to attack, the power he could unleash would be even greater, but the strain on himself could be reduced to the lowest level.
The soft-bodied Zhumu Youndou could feel Wang Ye hammering towards him with his fists from behind.