C616 I'll Kill You When You're Sick!

Xu Xian's voice was deafening and echoed in the air. It was filled with power and beauty, and anyone who heard it would feel excited!

Shouting was a type of instinct. A person's body was like an incomparably precise instrument. Even though Qi Yun Dantian was a long way to go, the human body's yin and yang blended together, entering and leaving in a balanced manner.

If there was an advancement