"Peak of ninth grade?"
Zhu Youji gently grasped his golden hand, feeling the surging internal force throughout his body and the beastly physique like a primordial creature. He could clearly sense the flow of blood, the trembling of muscle tissues, and the beating of his heart. With each breath, his body seemed to resonate with thunder, and the roar of tigers and leopards, extremely terrifying.
All of this was the epitome of Great Achievement in external martial arts.
A physique cultivated by external martial artists was called Half Grandmaster, claiming to be invincible under Grandmaster. The evaluation of Half Grandmasters was very high, and their combat power was astonishing. In a sense, they could be equivalent to Grandmasters.
The realm of Grandmaster had many branches and methods of promotion. Essentially, it was the transformation of acquired Qi into innate Qi. The promotion to Grandmaster was also known to the world as the transformation from acquired to innate.