The Essence of Shadow Fist

Killing intent burst out of Satan's cold eyes. "Second-generation Dragon King? I think you are the Second-generation Dog King!"

Then he moved, leaving behind a black after-image, dashing forward, and appearing in front of Xu Cheng.

"Move away!" Xu Cheng shouted in a deep voice, and the Dragon Division members behind him immediately moved away. Bei Shan and the other two Sky Kings all charged to the remaining four devils, and both sides began engaging in a fierce battle. 

From the monitoring screen, those substitute team members and other research scientists all couldn't capture the attacks of the two bosses at all with their naked eyes. From the screen, it was very difficult for them to see exactly what was happening between Xu Cheng and Satan.