C660 Stupefied

Ye Yun swung his fist, punching the black object in front of him.

Boom! *

With a muffled sound, the black substance felt like it was made of natural rubber. It was soft, but it didn't lose its tenacity. After the fist left, it left a small hole and slowly recovered at a speed visible to the naked eye.

The red crystals on the wall lit up one by one