Is your character missing after you purchased a Character Transfer or Faction Change?
Change your Blizzard account email address.
If someone changed the email address on your account, or if you can't remember what it was, we can send you a text to recover your account.
You can transfer characters in between Battle.net accounts as long as the registered name for both accounts match.
Missing mounts, pets, achievements, heirlooms, toys or appearances missing after transferring one WoW character to another Battle.net account.
What to do if you corrected your country of residence in your account details but still you can't add your phone number to your account
How to correct an email mistake when creating or updating your Battle.net account
Account has been hacked or compromised.
World of Warcraft accounts are assigned a name on creation, would like to change that name.
How to remove or change the phone number on your Battle.net account