"Any deal. The first limit is that I cannot affect anyone outside of the deal. That is, I can only affect you. The second is that I can do nothing that uses too much power. That is, I cannot make you a god. However, if you want information, I can probably get it to you. However, if you instead want something more straight forward, I can just do it."

She sips her drink.

"You used to be a man. I can change you back."

"However, know that for every blessing I give you, I must also give you an equal curse. To fix your gender would be a simple matter, a one-time blessing. A one-time curse. Perhaps a ravening hunger. Perhaps you will owe me a favor. If you wanted a more permanent blessing, like the power to fly, I would need to effect you with an equal, long-term curse. Perhaps when you fly, you are mute? Or immobile for a time after you land?"

"1:1. Blessing and curse."