Beautiful and Terrifying

How does Azief recognize it? 

Simple. 

That gaze. 

Yes, the aura gave it away but it was the gaze that struck him first. 

He knows that gaze. 

Though, it could not be said that it is the Destroyer himself. 

It is his will of destruction. 

Azief had treaded a path so extreme, that it invokes the destructive will in the Will of the Omniverse. 

The Will of the Omniverse appears in this Universe specifically to prevent Azief from breaking through. 

The effect would not be this exaggerated if Azief had chosen to break through the normal way. But because he chose this path, the Omniverse had to punish

And if Azief could integrate the Will of the Omniverse into his body, through the punishment, he would be allowed to roam all over the Omniverse without enduring suppression. 

Azief is the closest to the clouds and he felt like doomsday had arrived.