The red pillar of light toppled. After slicing through the Inner Castle Wall and its defensive magic circles, it flashed away and vanished directly beneath the earth's surface. The entire battlefield fell silent for a long while before a rumbling sound rose from deep underground.
It was as if the foundation of a building had been smashed apart.
Everyone could feel that the horizon seemed to have shifted. The entire Black Prison World tilted slightly toward where the light pillars had fallen. Many wizards without sufficient composure could not resist the dizziness rising from the depths of their hearts and collapsed to the ground.
Then, powerful seismic waves spread at tremendous speed from below to above, from within to without.
On the battlefield, everyone standing on the ground—whether wizards, demons, or other strange creatures—felt as though they were standing upon a storm-tossed sea, enduring every moment the shock waves unleashed by the shattered Earth Vein.
The hard rock strata instantly turned to sponge, twisting into all manner of grotesque shapes. The defensive magic circles of Black Prison Castle, built upon the rock layers and Earth Veins, were more than half destroyed in a short time. As far as the eye could see, nearly half the castle had become ruins.
Before a natural disaster, none could remain untouched.
Faced with this sudden catastrophe, the fighting between the wizards and the Demon Allied Army on the Black Prison Battlefield, whether before the inner castle or beyond the outer castle, was inevitably affected.
The headmaster of Atlas Academy, who had summoned an angel to descend, let out a long sigh. He abandoned his command of the angelic army's pursuit of the ordinary demons. The white wings behind him folded away layer by layer as he slowly descended toward the ground with the enormous