Why can't I use the DNF Black Diamond 7-day Experience Voucher?

Why can't I use the DNF Black Diamond 7-day Experience Voucher? Recently, DNF has held many activities, the most popular of which is the 7-day experience coupon for black diamonds. However, some players said that they could not use this black diamond 7-day experience coupon. Let's introduce deep space play to everyone!

First of all, you have to make sure that you have met the conditions for receiving the Black Diamond 7-day Experience Voucher.

Then, enter the column of looking for activities in official website, click "More" to find the activities of "accumulating gifts online", and click to collect them.

Official website address

Generally speaking, it can be used directly. If you really can't use it, log in to the game again.

Remarks: Only one character under an account can receive experience value.