C205 Monomer Fusion Technique?

Lian Cheng's abilities were not bad. Even though he was quite handsome, he was still a Foundation Establishment stage cultivator.

The Yin-Yang Sword symbol was drawn. Furthermore, after the high-level cultivators saw the Yin-Yang Sword, they created it based on their own insights. It also incorporated the insights of the high-level cultivators towards Yin Yang