C845 Flame Dragon Burning Sky Formation

Right now, his formation aptitude had risen to the Emperor Level.

In this era where Emperor Level experts were rare.

Ruan Xiude reckoned that since the Formation Essence Tower was brought out by Gu Chenzhou, it had been three hundred years.

His formation aptitude was also at the top.

Not to mention surpassing it.

Even if he could compare with him, he might not even have a handful of them