With great reluctance. Lord Hades isn't fond of 'new', even if the realm has been improved by the innovations.
[Crowley]
I'm very confused right now. Why pledge yourself to my aid, you owe me nothing. We're not even, as you put it, working for the same Lord. So as this isn't, strictly, an oath I will give you that benefit. Were I my sisters, you'd not have it. But, considering my purpose; careful with promises.