Do you need to have a wordpress account to donate and get benefits? I can't seem to register or anything, and it asks for login info on there... My login on here doesn't work there and I can't find a place to register there.
You don't need an account to donate. Donating creating an account for you.
This is the page you should get if you click on any of the Donate buttons:
http://mythruna.com/shop/