C191 Piercing Heart Gu

Elder Tang's expression was malevolent, his breathing was weak, and a layer of black gas that could not be seen by the naked eye had gathered on the surface of his body.

This gas was filled with a destructive and corrosive aura. If an ordinary person were to come into contact with it, they would definitely end up like Elder Tang.

Gu arts! Gu arts again!

Moreover, this Gu was not simple