The sky turned into two colors, ice and fire. One side seemed to be burning, radiating tremendous heat; the other seemed frozen over, carrying a bone-piercing chill. This mingling aura of ice and fire made people shudder with fear.
"Charge!"
The system soldiers continued roaring as they rushed toward the Great Wall, their battle intent soaring. Their terrifying, tidal momentum shook everything within hundreds of li.
At that moment, two enormous spheres, each a thousand meters wide, appeared in the sky. One emitted blazing flames, while the other gave off bone-piercing frost. The two great spheres slowly fused together, and an aura of utter destruction instantly spread out, startling the many city lords and making them hurriedly turn to look.
Under Binuoxiu and Kelahe's control, the enormous fireball and ice sphere became a single ball interwoven with ice and fire. Frost seeped from some parts, while flames rose from others. It looked exceedingly strange, yet it was also incomparably dangerous.
For this was the fusion of two forbidden spells: Binuoxiu's Meteor Descent and Kelahe's Frozen World. Both were supreme forbidden spells—how terrifying would they be when fused together?
Watching the sea of people surge below, Binuoxiu and Kelahe brought down their raised staffs. The ice-fire ball floating in the sky also dropped at once.
The system main cities were greatly alarmed and hurried to stop it, but they were already too late.
Boom!
A heaven-shaking explosion rang out. The thousand-meter ice-fire ball struck the ground and exploded directly, its terrifying power instantly devouring everything. The shockwave swept outward like a violent gale, the earth trembled without cease, and a towering mushroom cloud rose. The entire world seemed to fall into dead silence.
Both the city lord battlefield in the sky and the Great Wall on the ground were affected. The