Boom!

The sound of a muted explosion could be heard.

Dahei's punch hit the alloy door with such an immense force that both the door and the concrete wall shook violently!

"Ah!"

Tang Zhan was secretly afraid. The force was so great that it took a few seconds for the electronic screen to reload.

"Zhao Feng, where did you find this helper?" Tang Zhan frowned, asking him in a calm and unhurried tone…

He had ...