Escaped

They heard loud thumping sounds from inside which coincided with waves of vibrations. 

"It's bad! They want to escape from prison! Report to the Demon Lord quickly!" A sharp-eyed devilry cultivator noticed it and immediately shouted, telling the people behind him to report it quickly.

However, at this time, a loud rumble was heard. It was the sound of rubbles falling down in the Black Prison. In an instant, a spark of light reflected from inside, so that those devilry cultivators in the dark instinctively blocked it with their hands.

"It's open! The channel is cleared out! Run away!"

The prisoners' voices filled with surprise and excitement. Hundreds of devilry cultivators rushed out and fled toward the exit opened by Guan Xilin. For a time, the situation spiralled out of control…

"It's bad!"