In Wu Yu's view, what those who came before him said about becoming one with his Jindan was equivalent to finding your true self. 

This was also the most important and fundamental step of cultivation of one's mind. However, countless seniors in the world of dao couldn't make this explicit. This was because explaining a breakthrough in one's mental development wouldn't be helpful at all. 

Moreover, this would differ from person to person. 

This mysterious feeling couldn't be described in words. If it was that simple, everyone would have become an immortal. 

Wu Yu was trapped within the Metallic Stone Hell and was being played wilfully by the Metallic Stone Immortal Monkey. However, his spirit seemed to have left his body and seen his destiny. Rather, what he saw was himself struggling within the catastrophe and being unyielding and unresigned to his own fate. 

This figure was similar to the Unparalleled Monkey King amidst the golden, blazing flame. However, they had differences too. The Unparalleled Monkey King was more violent and pure. As for Wu Yu, he had an additional tinge of humanity and his own thoughts. 

"My existence originates from the heart." After a year of intense and diligent cultivation, Wu Yu's Jindan had been refined to the breaching point of his current cultivation level....