Na Gusi

Appearance
his person was three meters tall, had extremely brawny and fierce body, and was imposing like a mountain. He was wearing a black robe and a wide bamboo hat in his head. Moreover, on the two sides of his forehead, he seemed to have two lumps. And now they were not even 10 meters apart, and sensing that powerful tyrannical yao qi

Nine Transformation Demonic Technique

 * this was a technique tailor-made for demonic cultivator from the legend. With this technique, he could resolve his heart demon whenever he pleased, fuse with any yao beast, even to the extent of directly evolving to the appearance of yao beasts themselves. This technique was something demonic cultivators yearn for even in their dream.