C315 Tianyuan Disaster

At this moment, a rumbling sound suddenly came from the sky. It was not the sound of thunder, but the sound of explosions caused by collisions of spirit energy.

"What's going on?" Mu Yun and the other two hurriedly ran out of the house and looked towards the direction of the explosion. "Did they already start fighting?"

In the distance, in the direction of Qifeng's steel cave