Slaughter and changes in the power hierarchy were something that happened every minute in Abyss. Some were insignificant in the grand scale of things like the death of millions of lesser demons, while others had more profound repercussions like the rise of a new Demon Lord.
The fight in the Blood Rift and the demise of Yuro was important enough to involve the Demon Dukes.
A battle was occurring in The Forgotten Lands, but this one drew much less attention than the one that saw the birth of the Demon Lord known as Evil.
A fifty thousand meters white dragon with wings made of lightning and fire was fighting in the sky against a Three-Headed Demon Hound, Infernal Hawk, and Flesh Golem.