The first three levels of the Metal Wall Technique were merely for laying the groundwork. It was the fourth level and beyond that would unleash the practitioner's formidable capabilities.
Upon mastering the fourth level of this body-fortifying martial art, one's physique would become as resilient as a metal barrier, impervious to the strikes of blades and spears, marking the beginning of true power.
In essence, Bobby could withstand Brady's assault using nothing but his body's resilience.
Most martial artists at the fourth or fifth tier would struggle to inflict any real damage on him.
The fourth tier of the Metal Wall Technique didn't just toughen the skin and muscles; it integrated Inner Strength into the flesh and bones, significantly amplifying one's physical might and enhancing resistance to bladed weapons and Inner Strength attacks.
Bobby was acutely aware of the transformation.