After some initial server hiccups, players are now successfully redeeming their anniversary boxes. This box contains essential resources to celebrate the milestone, including free gems and growth materials.
If you have a Secret Box in your inventory, follow these steps to unlock it: Netmarble Forums Item Storage Locate the 3.5 Anniversary Box and tap it. to bring up the code input screen.
Heads up, Seven Deadly Sins Grand Cross players! 📢
As of , the honest answer is: Almost certainly no.
was a special event item that required specific codes released sequentially to unlock rewards. While the original 3.5th Anniversary event took place in late 2022, players who still have the box in their inventory can typically still use the following archived codes to open it: GC3halffesta Peccatum1866 royalblood How to Redeem Box Codes 7ds grand cross 35 anniversary box code work
In addition to the 3.5 Anniversary box codes, here are active codes from the Pocket Tactics and Netmarble Forum updates for June 2026: 777NIGHTMARE 777FLAME 777OURSPRING 777LEGENDRE LIGHTNDARK Why Won't My 7DS Code Work?
Stay tuned for more information on 7DS Grand Cross and its ongoing celebrations. Who knows what other exciting promotions or events are on the horizon?
If you want to try it:
These particular "Secret Box" codes were for the original 3.5th-anniversary celebration. If you are playing long after that, the codes may have expired. 🌟 Other 3.5th Anniversary Activities After some initial server hiccups, players are now
The is the digital redemption code printed on a card inside the sealed box.
: Used to maximize your existing gear substat percentages. Why Your Code Might Not Work
To use these codes, follow the standard redemption process provided by Netmarble :
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. to bring up the code input screen
These boxes could not be opened right away. They required an alphanumeric key or password.
: Log into the game and check your in-game Mailbox . Claim the "Grand Cross 3.5 Anniversary Eve Secret Box One" to send it to your permanent storage.
Using a simple model:
: Go to [Menu] → [Misc.] → [Coupons] , then select the relevant coupon banner (often Escanor) to enter your code.