Chapter 599: Demolished mountain!

The Law of Matter Substitution referred to the power to swap a body with any matter, and it was considered a minor law that was a derivative of the Law of Matter. It would often achieve surprising effects when used during offense or defense.

The very second when Xia Fei stabbed his Blood Crystal into the chest of that Shepherdian, the latter's body had already been transferred into the soil, so Xia Fei's dagger merely struck rocks!

Rapidly moving back several steps, Xia Fei straightened his form, while Peacock Blue vigilantly guarded his surroundings. Since his one attack failed to connect, what was to follow would be a grueling battle!

Silently, a humanoid form emerged from a rock wall some hundred meters away from Xia Fei. The body of that Shepherdian had become one with the environment!

Without leaving the wall, the Shepherdian merely poked his head out from the rocks.