Yu Ci's mind and spirit were tempered and fused together with the Hundred Spirits Killing Intent. This method had actually gone beyond the scope of the Hundred Spirits Manifesting Gauze alone, incorporating some of the cultivation method of the Ten Yin Manifesting Gauze. Yet since the two shared the same origin while differing in form, they still fitted together without obstruction.
After who knew how many "hammer blows," driven and stimulated by the Gu Diao's resentful Baleful Intent, the nearly hundred varieties of fierce spirits' resentful aura cast off great quantities of unsuitable impurities. The God Slaying Thorn had initially been ash-black, but it gradually became ever more insubstantial and transparent, until it truly turned into a wisp of Qi-light, difficult to distinguish as real or unreal, humming and leaping through the void.
Yu Ci's Qi mechanism was tightly linked to it, while his mind and spirit had completely merged into it. Amid the monotonous "hammering," it became increasingly stable. He wanted to see his limit, and at the same time, he could sense that part of the gathered Hundred Spirits Killing Intent—especially the portion from the Gu Diao—could still be further tempered.
Then let's do it again...
Before the thought had even faded, a discordant noise suddenly cut into the hammering vibrations, followed by a series of similar sounds. At that very instant, the feeling of resonance and mutual stimulation among the hundred spirits shattered completely.
"Not good! Some of the Hundred Spirits Killing Intent couldn't withstand the tempering and collapsed!"
Yu Ci had gotten somewhat carried away this time. He had focused only on the Gu Diao's Killing Intent, intent on climbing ever higher and refining things to perfection, while overlooking the fact that the rhythm and intensity had already exceeded the limits of some of the resentful