The most effective immediate action in Seven Knights Re:Birth is to stop spending summoning currency on standard banners and begin saving for the Demon Slayer collaboration scheduled for next month. While new heroes such as Eileene offer strong offensive potential, limited-time collaboration units are generally harder to acquire once their event windows close.
Unless your team currently lacks the baseline power needed to complete daily content, save your pulls and collect free resources in advance.
Active Promo Codes
Claim current promotional codes to increase your currency stockpile before the collaboration arrives.
- SKRE300BIRTH
iOS players can redeem codes by visiting Netmarble's official coupon page at coupon.netmarble.com/tskgb.
Resource Management Strategy: Save vs. Pull
To position your account for the upcoming event, balance short-term team needs against long-term limited banner value.
- Hold Currency for Limited Banners: Collaboration banners run for a restricted duration. Prioritize these pulls over standard heroes who remain permanently available.
- Evaluate Eileene Objective: Check Eileene's skill kit to see if she fills an essential utility gap in your current lineup. If your team already clears your daily content targets, skip her banner to preserve currency.
- Maintain Daily Routines: Continue clearing daily missions, guild objectives, and upgrade stages to steadily farm passive materials without spending tickets.
Utilizing Community Sheets for Account Optimization
Avoid spending resources on minor stat increases by testing your build requirements using community simulation tools.
| Tool / Sheet | Primary Function | Suggested Action |
|---|---|---|
| BOSSET (Boss Sheet) | Tracks boss mechanics and team compositions | Check required counters before pulling for raid units. |
| SKRE Build Maker | Simulates hero builds and gear setups | Test gear configurations prior to investing materials. |
| Damage Simulation Sheet | Measures total team damage output | Determine if current damage meets reward thresholds. |

COMMUNITY
Player Comments
158 players commented on this guide.
Nice guide. I am checking the other HOT articles next.
Good guide for HOT players. The resources part was useful.
I tried this today and it worked better than my old setup.
This guide answered the exact question I had.