The atmosphere gradually shifted towards imbalance, and the once-united two city-states began to tear apart.
And at this moment, an unprecedented Arcane Surge descended upon the region where Angel City was located.
Perhaps the disappearance of the Great Demon caused the imbalance in the Magic Element environment, or perhaps the king's ritual led to the concentration of the Magic Element. Regardless of the cause, the scale of this Arcane Surge was unprecedented.
This Catastrophe, Arcane Surge, was especially deadly for Demons, particularly at such a massive scale. They were easily affected, even to the point of having their minds completely distorted.
However, for the Angels who built Cloud City, with sufficient preparation, this terrifying threat was not insurmountable.
Yet in the face of this Arcane Surge, those who opposed the decision of the Four-winged King, but could never get a response, finally made up their minds.