Tianming's wardrum formation let out a loud beat. Though he hadn’t struck it, it still let out a sound that spread far and wide.

"Why did it beat by itself?" Yu Ziqian asked. He was quite curious about that formation.

"I don't know. It feels like it's resonating with something, just like how another drum resonated when I struck it the first time," Tianming said.

They were now within a deep and dark pathway with nothing but fog ahead of them. Tianming struck the formation again, and soon heard a resonance like before. The sound had traveled a wide distance. People along the way were sure to hear it.

"So the resonating beats will cause people to gather and fight again," Tianming reasoned.

"If that's the case, should we head toward the resonance?" Xiaoxiao said, her eyes a faint red from nervousness. "Apart from the drum resonance, we seem to be hearing more sounds around ...