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The timing makes these codes worth grabbing fast
Seven Knights Re:Birth is sitting at a genuinely generous moment right now. The game just pushed through its June 11 update, new characters Clemyth and Dellons are live on banners, and Netmarble has quietly stacked up a handful of active coupon codes that hand out free summon vouchers, key bundles, and rubies without any purchase required. For a gacha that lives and dies by roster depth, free pulls during a banner window are exactly what you want to see.
Here's the lowdown on what's currently active and what each code actually gives you.
Every active code and what you get
There are eight working codes right now, with four of them freshly added around the first anniversary period. The standout is SKRE300BIRTH, which has been live since a March maintenance window and remains unredeemed for most players who haven't been tracking the list closely. That one alone delivers 300 Hero Summon Vouchers, 30 Pet Wish List Summon Vouchers, a 4-star Legendary Accessory Selection Box, 3 Brilliant Skill Enhancement Stones, 3,000,000 Gold, and 30 Chaos Essence. It's the biggest single-code haul in the game's history.
The key thing most players miss: codes are one-time use per account and expire without warning. SKRE300BIRTH has been available since March with no announced end date, but that can change after any maintenance window.
Why the anniversary timing matters for your roster
The NEWKARLHERON code specifically targets the current Rate Up banner, giving 10 vouchers locked to the featured hero pool rather than the general summon pool. That distinction matters if you're chasing Clemyth or Dellons, since rate-up vouchers improve your odds on the active banner rather than rolling into the full character catalogue.
The anniversary codes (1STANNIVERSARY and SENA1STANNIV) arriving alongside the summer batch suggests Netmarble is treating this period as a sustained celebration rather than a single-day event drop. The summer codes (SUMMERTIME7K, 7KSUMMERFEST, 7KSUMMERRUBY) add another 5 hero pulls, 5 pet pulls, and 1,000 rubies on top, which stacks into a meaningful free-to-play boost if you collect everything at once.
What to do after the codes are in
After redeeming, rewards land in your in-game Mailbox rather than your inventory directly. Unclaimed mailbox items expire after a set period, so collect them immediately rather than leaving them to sit. Pro tip: redeem all codes in a single session before opening the mailbox, so you can claim everything in one sweep.
With Clemyth now available in Awakening form and the For the Abyss Alone story event running alongside the anniversary content, there's a real argument for banking the general vouchers toward whoever tops the current tier list rather than burning them on the Rate Up banner immediately. The 1,000 free rubies from 7KSUMMERRUBY give you additional flexibility there.
For players building out their roster right now, these codes represent the most accessible free resources Seven Knights Re:Birth has distributed in a single window. If you're exploring other JRPG games with similar gacha systems, the comparison highlights just how front-loaded this anniversary drop actually is. Check out the broader gaming guides hub for more code roundups and free reward trackers across other live-service titles.
