4★ / F2P Picks Weapon Comparison
A Secret Vow vs The Birth of the Self
A Secret Vow is 4★ (shop, R5) and best on Destruction carries, Trailblazer, Clara. The Birth of the Self is 4★ (R5, Herta signature) and best on Erudition, Herta, Serval. Both are 4★ / F2P Picks options for the game in 2026.
Best On
Rarity
🎯 Verdict
Use A Secret Vow if you main Destruction carries, Trailblazer, Clara; choose The Birth of the Self for Erudition, Herta, Serval. Signature weapons typically beat 4★ alternatives by ~10–20%, but a new Character is usually the better pull.
Which One Should You Choose?
Use A Secret Vow if you main Destruction carries, Trailblazer, Clara; choose The Birth of the Self for Erudition, Herta, Serval. Signature weapons typically beat 4★ alternatives by ~10–20%, but a new Character is usually the better pull.
Consider your account when deciding. Look at the units and weapons you already own, the teams you already have built, and the content you struggle with most. Both A Secret Vow and The Birth of the Self are strong — the right choice depends on which fills a bigger gap in your roster.
Frequently Asked Questions
Is A Secret Vow or The Birth of the Self better?
There is no universal answer — A Secret Vow wins in Best On and Rarity scenarios where their kit shines, while The Birth of the Self is stronger in others. Use the comparison tables above to match each option's strengths to your specific needs.
Which one is better for F2P players?
Both options are viable at base constellation with their F2P alternatives. Check each option's dedicated guide for the best budget builds and teams to see which one fits your account's current roster.