C514 Golden Core

The Heavenly Dan Lightning Art was one of the top three spirit arts of the Profound Essence Sect.

It was also known as the strongest thunder art of the Profound Essence Sect.

Even Mu Zifeng had heard of it before. It was like a thunder that struck his ears.

"Rank-12!" Mu Zifeng's expression became even more solemn. He suddenly shook his palm