At the ruins of the Seventh Great Wall.
As the Allied Army withdrew, the Eternal Heavenly Dao triggered the Great Wall's mechanism.
Seeing the Light Screen rise once more, all the demons who had experienced it before were long since used to it.
Using the same old method, countless demons charged toward the Light Screen, wave after wave.
More and more demons were dissolved by the radiance emanating from the Light Screen, but that radiance also grew increasingly dim.
Perhaps because it was the Eternal True World's final barrier, the Seventh Great Wall's Light Screen consumed more demons than the previous six combined.
This also bought considerably more time for the preparations in the Northern Continent.
Two years after the fall of the Seventh Great Wall.
As the last glimmer vanished, the Seventh Great Wall's Light Screen failed completely. A flaming hoof set foot on the soil of the Eternal True World once again, for the first time since the War Against the Heavenly Demons over a hundred thousand years ago.
Outside the dimensional rift, within Lucifer's Palace.
The three Demon Emperors gathered once again. Mammon laughed and said,
"There's nothing left for us to do now. Well? Care to make a wager?"
Seated on his Throne, Samael snorted two jets of flame from his nostrils.
"On what?"
Mammon looked at Samael.
"On whether this invasion will succeed."
Samael sneered.
"We can't enter the Mythic World directly. If those six False Sages and that Annihilation Holy Spirit choose to act, the demons below won't have any chance of contaminating the land inside. It's a deadlock, so what's the point of this wager?"
Mammon said nothing, instead turning to Lucifer. Lucifer opened his pitch-black eyes.
"Very well, but I wager that this invasion will fail."
Mammon gave a shrill laugh.
"What