Imaginary vs Lightning Character Comparison

Sunday vs Cipher

Sunday is a Imaginary Harmony — Sunday is an Imaginary Harmony unit who advances a target ally and their summon while boosting CRIT DMG and Energy. Cipher is a Lightning Nihility — Cipher is a Lightning Nihility unit who records damage dealt and forces enemies to take increased damage, amplifying the whole team's output. For your roster, Sunday contributes harmony value while Cipher covers nihility.

VS
Sunday
VS
Cipher

Damage Profile

Sunday
Cipher
Imaginary Light Cone — best A Grounded Ascent (signature)
— Even
Lightning Light Cone — best Luminous Moment (signature)
9.5/10 — best summon/erudition support.
✓ Sunday
9/10 — strong single-target amplifier.

Team Fit

Sunday
Cipher
Sunday + Jing Yuan + Huohuo.
— Even
Cipher + Jingliu + Fu Xuan.
Harmony
— Even
Nihility

Ease of Play

Sunday
Cipher
Imaginary Harmony
— Even
Lightning Nihility

🎯 Verdict

If you need a harmony-style option, Sunday (Tier S) is the stronger pull. Cipher (Tier S) is the better pick when you already cover that role or want the cheaper account fit. Both are viable 2026 options.

Which One Should You Choose?

If you need a harmony-style option, Sunday (Tier S) is the stronger pull. Cipher (Tier S) is the better pick when you already cover that role or want the cheaper account fit. Both are viable 2026 options.

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 Sunday and Cipher are strong — the right choice depends on which fills a bigger gap in your roster.

Frequently Asked Questions

Is Sunday or Cipher better?

There is no universal answer — Sunday wins in Damage Profile and Team Fit and Ease of Play scenarios where their kit shines, while Cipher 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.