What to do if your ticket is stuck and you can't remove it
Recovering a Battle.net Account when the email address has been forgotten
Information regarding the free deck from the Returning Player Experience in Hearthstone
What to do if you get a "Something went wrong" error when logging in to the Battle.net Mobile App
What to do if your Hearthstone collection is missing
Troubleshooting steps for if you can't claim a gift
Error emerges when trying to restore the previous auth on a new device
Information about retrieving a locked account.