After purchase, you get a Fortnite Account with Mystique skin (Possible presence of a purchased PVE mode). Data is issued from the game + data from the mail. There will be a delay on the account to change mail (from 1 to 3 months)
For a positive review after purchase, you are guaranteed to receive a gift:
Fortnite Account [1 - 300 skins] is completely free. To do this, leave a good review with the message "Gift", after which you will be contacted to issue an account.
✅ There will be Mystique