Step 1. Log in the battle.net ,click the user account.
Step 2. Below the account page, you can click character &guild service to find the “Character Transfer”service under the item
Step 3.Choose the chars which you want transfer into main accounts.
Step4. Choose A differnet account and select A different battle net as destination acount type
Notice: The destination account must have been created by the same person as the origin account.
Step5. Finish the follow payment.,Estimated time:1hour.
Step6. After 1hour, you will see the chars in your main accounts. Enter world and use the mounts in the bag. All the BOP mounts will be bind with your main accounts.