"The Trapped Souls Escaped"
Usually, there wouldn't be a high density of miasma, but because of the war six months ago, the abyss demons were stimulated, which in turn exerted more miasma out of the abyss.
That miasma was like the energy of the abyss demons and for them to excitedly use up their energy to break out, it would only happen because of being stimulated.
After all, no matter what, in the past thousands of years or even longer, the abyss demons' attacks from behind the gate would not be fierce at all, unless there were some stimulants from this world to the abyss.
The seal still showed signs of struggle, but it didn't last long and a few seconds later, under the eyes of people from the academy and the 1000 people trapped on the island who were watching through the live stream provided by the academy...
The seal exploded with a bang and shattered into pieces.