You have a 14 day right of withdrawal, from the date you purchased a game package. During this time period, you are able to cancel your purchase and request a refund. You can exercise your right of withdrawal by contacting PaymentWall within 14 days of the date of purchase.
Your withdrawal right only applies until you download and/or launch the Black Desert Online game client. The first time you launch the game client, you will be prompted to waive your withdrawal right.
Warning: A game package refund will not be issued if the user has downloaded and/or launched the game client.
Also, please keep in mind that Game Package Upgrades are non-refundable.