Note: Attempting to use these codes today will yield an "Expired Code" or "Invalid Coupon" error message. How Secret Box Events Work in 7DS Grand Cross
The redemption steps depend entirely on your device platform. Ensure your game account is linked properly to save your progress before submitting. For Android Users (In-Game Method) Launch and log in to your account.
Note: The codes are case-sensitive. Enter them exactly as shown above without any accidental trailing spaces. How Secret Box Codes Work in 7DS Grand Cross 7ds grand cross 35 anniversary box code work
During the , Netmarble treated The Seven Deadly Sins: Grand Cross community to exclusive milestone events. One of the most sought-after mechanics of this festival was the sequential Secret Box Event . Players received a locked anniversary box via their in-game mailbox, which required a specific text string or password to open.
The is the digital redemption code printed on a card inside the sealed box. Note: Attempting to use these codes today will
: A known bug occasionally flags the 4th code ( Peccatum1866 ) as invalid on the first try. If this happens, completely close and restart the game client , reload your inventory, and try again.
: Log into the game and tap the Mail icon in the top-right corner. For Android Users (In-Game Method) Launch and log
Netmarble released a for Japan region around March–April 2023 (for the 3.5-year milestone). It contained:
If you have a valid 3.5 Anniversary Box code (from the physical box):
During the 3.5th Anniversary Ultimate Festival (which celebrated the release of characters like ), Netmarble distributed "Secret Boxes" via player mailboxes. Players had to type alpha-numeric keys directly into the game to unlock them. The original codes for the 3.5 Anniversary Boxes included: 20221124 GC3halffesta fiatlux Peccatum1866 royalblood
Click on the icon at the bottom right, then select Item Storage .