Let us turn back time a little. Just as Qin Shaofeng blasted through one thick steel plate and began attacking the second, he suddenly sensed that something was wrong.
"What's going on?"
Qin Shaofeng frowned slightly. Just now, he had felt the entire floor tremble faintly.
His Divine Sense spread out instinctively, and then Qin Shaofeng "saw" that the space below the Negative 99th Level had actually opened up.
Even stranger, the moment it opened, a hundred heavy steel doors opened at once.
Layer upon layer, leading all the way to the black hole at the deepest end detected by Qin Shaofeng's Divine Sense.
This was bad!
The instant he "saw" that black hole, Qin Shaofeng's heart jolted, and he immediately understood what the Bragg family was planning.
But it was already too late!
The next moment, the entire Negative 99th Level jolted violently and began plummeting downward at an unimaginable speed.
Qin Shaofeng's heart sank, but he did not immediately begin frantically attacking the steel plates around him.
Because he knew very well that even if he erupted with all his strength and madly attacked those steel plates now—
It would still take at least three to five minutes to blast them apart and break out of this floor.
But the problem was that, in the current situation, while falling so wildly, even if he blasted open the floor, he would not be able to get out at all.
The speed was simply too fast. It was impossible to escape outside.
And more importantly, precisely because of that speed, Qin Shaofeng did not have that much time left.
Sure enough, after merely twelve or thirteen seconds, the entire Negative 99th Level fell through the passage and entered the black hole deep underground.
Qin Shaofeng's Divine Sense detected it with