chapter 372 A Piano Music, Four Demons

long……" The sound of the piano enveloped the Tiger Cavalry Camp. Among the 5,000 iron cavalrymen in the camp, hundreds of them gradually turned from the initial passion to calmness in just a moment. Then, he seemed to be thinking about something. Finally, he sat cross-legged on the ground and closed his eyes to practice. "Buzz!" In just a moment, tremendous power roared around hundreds of armored soldiers. The power swirled, causing their aura to gradually become stronger! breakthrough! A...