Inside the building that Gao Yang and his team were about to attack, there were people, but they maintained great restraint. It seemed that as long as they weren't attacked, they would remain quiet, and keep doing so.
If they didn't know people were inside, Satan's men might have fallen for it. There probably wouldn't be too many casualties, but damage was almost a certainty.
But knowing there were people inside, the situation would naturally be different. Just maintain distance when firing rockets, protect themselves, and watch out for any retaliatory fire from inside, the problem could be thoroughly solved in a very short time.
Frey launched the first Cloud Burst Bomb, sending it through a window, emitting a very muffled explosion sound, shaking the ground briefly, but surprisingly, the building didn't collapse.
