Nonononono, You gotta EARN God Back. Don't be one of them Beefcakes Who are all power hungry: "OM NOM POWERRRRRS"
You cannot get a refund. I've told this to many players. You donated money of your own free will, and you should be glad you got "thank you presents" of sorts (as in your god rank). do·nate ˈdōnāt,dōˈnāt/ verb give (money or goods) for a good cause, for example to a charity.
If you read the terms and conditions, then you would no it says No refunds. Sorry nothing we can do about it, buddy. :(