Drip, drip, drip...
Three hundred years had passed since Green cast the Dimensional Gap Sealing Art, sealing the gate to the Nightmare Bone Demon World and rescuing the Wizard World from the crisis of a homeland war.
Three hundred years might have been an exceedingly long time for lesser creatures, but to an existence like Green—and to the course of civilization's history—it was no more than the blink of an eye. Now, the offensive and defensive positions of the Wizard Civilization and the Metal Destroyer Civilization had reversed. The Metal Destroyer Civilization no longer possessed the strength to resist, and the conquest of the Cosmic Great World was about to become reality!
The protagonist who had defended the Wizard World in the War of Civilization, Green of the Annihilation Tower, had shaken the world by wielding the Fate Lever to pry open the Annihilation Tower Secret Realm, using the supreme Dimensional Gap Sealing Art to seal the Space-Time Gate of the Nightmare Bone Demon World, and bringing the Wizard World's homeland war to an end.
From then on, no wizard of later generations living through the Third War of Civilization would fail to know of this legendary ancient wizard who had turned the tide against the looming catastrophe that threatened to scar the Wizard World itself.
Elsewhere.
After completing the Dimensional Gap Sealing Art three hundred years ago, Green had fallen due to magical backlash and had not appeared again since, concealing himself completely. To outsiders, it seemed he was waiting for the day he recovered from the backlash of magic.
Without Green's participation, the final stages of the Wizard World's War of Civilization continued in an orderly fashion.
Eliminating the remaining Nightmare Bone Demons and metal robots within the Wizard World, calculating the area contaminated by radioactive fluorescent green,