To redeem the active promotional code SKRE300BIRTH in Seven Knights Re:Birth, iOS players must navigate to Netmarble's official coupon web page (https://coupon.netmarble.com/tskgb), while Android and PC launcher users can access the redemption prompt directly through the in-game menu. Once your rewards are claimed, use external damage calculators, equipment build simulators, and boss strategy spreadsheets to allocate your newly acquired materials efficiently.
Redeeming Coupon Codes
Redemption methods depend on your gaming platform:
- iOS Platform: Open your web browser and visit
https://coupon.netmarble.com/tskgb. Input your account identifier along with the codeSKRE300BIRTHto send the items to your in-game mailbox. - Android & PC Launcher: Open the settings menu in Seven Knights Re:Birth, select the coupon entry tab, and type
SKRE300BIRTH.
Note: Promotional codes are undated community drops subject to server expiration limits. Claim them as soon as possible.
Utilizing Build and Boss Reference Tools
Community-maintained data sheets help prevent resource waste by allowing you to simulate investments before spending rare materials.
- Damage Simulation: Input your hero's current attack, critical chance, and skill multipliers into damage testing sheets to compare potential damage output across different team formations.
- SKRE Build Maker: Use item simulation spreadsheets to preview gear sets and stat caps. Mapping out target equipment loadouts beforehand ensures you meet necessary stat breakpoints without over-investing in secondary attributes.
- BOSSET Boss Guides: Refer to encounter specific spreadsheets to identify required debuffs, turn-by-turn mechanics, and survival thresholds needed for high-tier raid content.
- Official Announcements: Monitor the Seven Knights Re:Birth official global forum (
https://forum.netmarble.com/sk_rebirth_gl) for upcoming balance updates and patch notes to adjust your building plans accordingly.

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Player Comments
157 players commented on this guide.
Nice guide. I am checking the other HOT articles next.
I wish I had read this before upgrading the wrong thing.
This saved me time in the early game.
This guide answered the exact question I had.