It is not possible to cancel a refund in progress
Refund policy for Heroes of the Storm in-game purchases.
All in-game purchases in Call of Duty are final, and not eligible for refunds.
Checking on the status of a delayed refund.
Money refund policy for purchases of Call of Duty Points.
Information about in-game crafting 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
Customer Support may ask you for your PayPal billing agreement ID or your order invoice ID when assisting you with a refund
How to resolve this error when redeeming a Blizzard Balance code
Purchased Heroes of the Storm Gems for the Wrong Region