A Bet to Win All

Rumplestiltskin!AU. All Kingsley wants to do is make his soon to be husband Harry happy. The one thing in this world that it seems will make Harry happy is to have a child of his own. One that is genetically his and Kingsley's. But that's impossible right? Not when one goes to Rumplestiltskin. But what happens when Kingsley doesn't heed the warning that all magic comes with a price