Using the gauntlet on the back of the fist to deflect the blade, this move is not particularly difficult, but it does require a high quality of armor.
However, if you integrate the technique of [Iwami Style: Climbing Carp] into this deflection... the nature of it changes completely!
In the system of Eastern martial arts, weapons and unarmed combat are complementary, but the difficulty of transformation between them. How should I put it?
Xingyi Fist originated from the Song Dynasty Yue Family Spear, evolving from spear to fist.
It took systematic refinement, improvement, and the introduction of new concepts over tens of generations to finally establish a mature framework for Xingyi Fist in the Qing Dynasty.
Counting from the time Iwami Yixin created Iwami Style, it hasn't even been fifty years of development!