C1462 Polar Cathode Yang

Elder Ao Cang remained silent. After a long while, he sighed: "When Martial Saint Hall Master passed down this sword token to me, he informed me that this sword formation is the 'Two Universal Sword Formation'. If I want to unleash the true power of the sword formation, I can only activate the power of the Yin and Yang that is hidden inside …"

"How?"

Ye Feng's heart was moved