Every Duet Night Abysscode that has expired, with the date redemption closed. Use this to confirm whether a code from a Reddit thread or old guide is still claimable — if it's on this page, it's no longer valid.
4 expired codes on record
DNAGIFTCarmine Globule x200, Coins x20000, Combat Melody I x10—DNABYSSGIFTCoins x30000, Secret Letter Clue x30, Carmine Globule x200—DNALAUNCHPhoxene x200, Carmine Globule x2026, Weapon Manual III x26, Combat Melody III x26, Coins x20260—DNASUMMERCoin x50000, Carmine Globule x1000, Luno Memento x20, Commission Manuals x5—