Sky Refining Ancient Sword Diagram!

Jun Lingxiao knew better than anyone how terrifying Chen Xuan's punch had been!

After entering the Heavenly Immortal Realm, his greatest strength had been his defense.

Yet Chen Xuan had still shattered his Heavenly Immortal Sword Domain and heavily injured his immortal body with a single strike...

Such an attack was likely already comparable to the peak strike of a High Grade Immortal Artifact.

If his opponent had truly used only thirty percent of his strength, the more he thought about it, the more terrifying it became!

He had to fight for his life!

"Sky Refining Ancient Sword Diagram, come forth!"

Jun Lingxiao shouted furiously, directly burning his Origin Immortal Source to awaken the ancient sword intent slumbering within his body.

"Whoosh!"

A tattered dark-blue ancient diagram flew out. In an instant, it erupted with a dazzling colossal pillar of dark-blue sword light that shot from above Jun Lingxiao's head.

The pillar of sword light was so resplendent and blinding, stretching across Cloud City for thousands of zhang, like the peerless sword worn by a deity standing high above the nine heavens!

"Buzz! Buzz! Buzz!"

The tattered ancient diagram trembled. Twenty-four ancient sword marks upon it writhed and awakened...

No one knew how many ages they had existed for. They seemed to be nothing more than marks, yet they contained a peerless aura that could tear apart heaven and earth, one that reigned supreme over all!

Even Chen Xuan's eyes lit up!

"Fine sword diagram!"

He praised it, and an idea immediately came to him.

This ancient treasure's quality was likely not far inferior to a Supreme Immortal Artifact. In Jun Lingxiao's hands, it was a pearl cast into the darkness.

"This sword diagram was obtained by me within an Ancient Ruins in the Venerable Demon Heaven Domain. There have