My purchase for DEC was failed on the 24th. After writing to Splinterlands'support, they advised me that I should email their third party that is handling the purchases: Transak. It turned out after two days of chasing them through emails that the order was failed, a refund was on the way and the account was suspended.
No one contacted me, instead they just suspended my account, did not reply to my initial email to check what is going on about the purchase and waited for me to send a second eSee full review