C158 Heart Controlling

After a thorough examination, Qin Biao was left utterly baffled. His body was in perfect health, and the odd pain he had experienced had vanished without a trace. The only change was the black tumor on his golden core, which had grown significantly, now appearing larger than the golden core itself.

"What's the matter? I'll treat you right now," Yun Siyu said, noticing Qin Biao's anxious demeanor