Every Honkai Impact 3rdcode 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 Use this to confirm whether a code from a Reddit thread or old guide is still claimable — if it's on this page, it's no longer valid.
5 expired codes on record
ASMALLGIFT2 Stamina Potion + 4 HOHO Vacation Tickets—YOUYUNSGIFT100 Crystals—39MTMFMMSP500 Asterite + 1 Stamina Potion + 4 HOHO Vacation Tickets—GT8PENFN5I500 Asterite + 1 Stamina Potion + 4 HOHO Vacation Tickets—79VNQP4WQV30 Crystals + 8 HOHO Vacation Tickets + 1 Phase Shifter—