True, but they're already in the midst of a war between to princes of the abyss, and I'd be taking help from any and all quarters if I were them right now.

Also, are there any druid circles around, they'd fall over thenselves to help you restore the balance. Actually if any of your characters die (I really, really hope that they don't!) a druid might be a good class to play as given the setting of the natural world being carved up by otherworldly beings.