Luo Chen treated the two demons, Black King and Tian Xuan, differently.
One was allowed to roam free, while the other was kept by his side.
This difference in treatment was not merely because of their differing forms.
It also lay in the cultivation paths they followed, which had already diverged completely after Tian Xuan underwent Transformation all those years ago.
These years, Tian Xuan's cultivation progress had been slower than Black King's. Even with Luo Chen occasionally guiding her, she had only barely reached the Golden Core Fourth Layer.
Yet Tian Xuan harbored no dissatisfaction whatsoever.
She knew very well that Black King's rapid advancement came partly from awakening a special bloodline talent, and partly from devouring too many powerful demon beasts in his early years. In particular, after digesting that Cliff Serpent corpse, Black King had surged in one breath to the Peak Mid-Third Order. As for her own cultivation speed, after receiving the Cosmic Feather Mystic Scripture personally tailored for her by her master, it was already considered extremely fast.
One could imagine that as she cultivated this mystic scripture over time, her cultivation speed would only grow faster and faster. She would no longer be like ordinary demon beasts, needing hundreds or even thousands of years to advance a major realm, but would instead be able to rival human cultivators.
The same was true for Black King. He did not envy Tian Xuan for being able to remain before their master and receive guidance whenever she wished.
He had his own method of cultivation.
Though it was comparatively crude and primitive, something in his subconscious told him that this was the path most suited to him.
Normally, his master simply let him roam free.
But whenever Luo Chen summoned him, there was certainly some task to