It is not possible to merge the progress of two or more games into one.

Steps to resolve the error “Cannot add funds to a trial account.”

Your game account version does not allow this upgrade.

Payment failed. Your financial institution may be denying the payment. Contact your bank or credit card issuer for help.

Troubleshooting steps for resolving payment error in Heroes of the Storm.

Friend or family member used payment information without permission and I would like a refund for the purchase(s) made