Of course, with the discernment of White Bird and Yan Yang. They couldn't help but notice the core of the Magic Puppet Secret Martial Art, which was Qi! As long as one cultivated the human body Qi, it didn't matter even if they mimicked an Ultimate Dark Entity, the evil among evils. For the Holy Fist fighters, the outer skin was not so important, what mattered were the skeleton, muscles, internal organs, and the mind and will.
There had also been a Holy Fist-level existence who had once taken an unconventional path and created a Boxing Method mimicking the Ultimate Dark Entity. The plan was to fight poison with poison, and the results were not bad, but it had great limitations; aside from himself, no one else could cultivate it. Casio's situation was probably similar, only that the mimicking of the Magic Puppet Secret Martial Art was more thorough, incredibly comprehensive.
It was as if he had truly become an Ultimate Dark Entity.