Instructions on linking your MLG and Blizzard accounts
It is not possible to merge the progress of two or more games into one
Steps for linking a Third Party Platform's account to your Battle.net Account.
Information about retrieving a locked account
Recovering a Battle.net Account when the email address has been forgotten
What to do if the name on your account is "Adventurer"
Information about this error when trying to log in
How to redeem a code for a game, a product, or Blizzard Balance
Information about the processing time for ELV/Direct Debit/Sepa payments.