But then Abrogail would run a pretty high risk of destroying all of Golarion, let alone just Cheliax, before she risked not letting her senior partner have His own fun, and so betraying Him in the depths of her own heart. So until she gets different orders, she's going to stick with these. Worst case, the world gets destroyed and needs to be rebuilt by the gods; it's not like you can destroy Hell that way.
"And what would you of us in return, then? Non-binding negotiations."