I bought the wrong version of what i wanted and g2a seller dind want to refund! I play the game on Battle.net and i got a key for steam If i can make anyone happy with this key that would be am ...

Hello everyone
I bought the wrong key on g2a and the seller doesnt want to refund

I wanted to upgrade the base game to the vault edition but got the wrong one. I got the game on Battle.net and th ...