How to Delete Blizzard Account
Step 1. On your Desktop, launch the web browser and compose an email from the email address which was used to create your Blizzard Battle.net account.
Step 2. In the subject write, Delete Battle.net account and send the email to firstname.lastname@example.org
Step 3. Another way to delete your blizzard account is to go to “contact support” option at http://us.battle.net .
Step 4. Click the sub heading “Account, App and shop”.
Step 5. Select “account” and file a ticket for support.
Step 6. Select “I have an issue with my account” and then select “I want to change something in my account”.
Step 7. Mention your Battle.net email address in the message and state the reason why you want to delete the account.
Step 8. Click “Submit” to send a request for deletion of the account.
You can also make a request for deletion of the account by calling the Blizzard’s account services department at 800-592-5499.