These demons, they remind me of banelings without the need to kill for the Keeper, and this Lucifer. I think I understand how bad it would be were he free. A trapped Lord of the Underworld. Attacking the Land of the Living and this Lilith is planning to free him.
I'd be happy to help you all in your fight. I just must ask, does the bickering and childish reactionary behaviour happen often around here?