C161 Yin and Yang Gu

"The scalpel."

The sharp blade pierced through the purple blood bubbles as a stream of blood with a pungent smell shot out and sprayed onto Long Tian Xing's face.

After Long Tian Xing stabilized his hands, he slowly wiped away the blood.

This blood was infected by the Gu poison and turned viscous. Normal people's blood was a deep red like water, but this patient's blood was a deep purple black