Hill was a bit confused. He really didn't know which Abyssal Lord would be crazy enough to directly confront the Lord of Hell.
Don't be fooled by these Great Demons who exert all their efforts to win the favor of the Abyssal Will. They are selective about their opponents.
When faced with troublesome enemies, getting their fellow adversaries to engage is their preferred choice.
Unless someone has made a mistake and fallen out of favor with the Abyssal Will, forcing them to risk everything for survival.
But recently, the incidents on Toril, led mainly by the Demon Prince Dimogogan, were not surprising given the usual failures there.
As for what other Evil Gods did, as long as rent payments were timely and consistent, the Abyssal Will cared little about these guests using its territory.
It focused solely on issues concerning demons, including those transformed by the Abyss that very day.
