C914 The Secret of the Instrument Formation Sect

As Yuan Shi's soul power surged out, countless array patterns lit up in front of Liu Mang's eyes, and the flames in the cave instantly disappeared. In front of Liu Mang, the air rippled, revealing a door that was ten yards long and twenty yards wide.

Caw!

The main door suddenly opened, and Yuan Chongshan handed Liu Mang a jade slip. Then, he slowly said