Ice vs Imaginary Character Comparison

Ruan Mei vs Sunday

Ruan Mei is a Ice Harmony — Ruan Mei is an Ice Harmony unit who boosts the whole team's damage, weakness-break efficiency, and RES PEN. 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. For your roster, Ruan Mei contributes harmony value while Sunday covers harmony.

VS
Ruan Mei
VS
Sunday

Damage Profile

Ruan Mei
Sunday
Ice Light Cone — best Past Self in Mirror (signature)
— Even
Imaginary Light Cone — best A Grounded Ascent (signature)
9.5/10 — irreplaceable in Break teams, strong flex buffer.
✓ Ruan
9.5/10 — best summon/erudition support.

Team Fit

Ruan Mei
Sunday
Ruan Mei + Firefly + Trailblazer (Harmony) + Gallagher.
— Even
Sunday + Jing Yuan + Huohuo.
Harmony
— Even
Harmony

Ease of Play

Ruan Mei
Sunday
Ice Harmony
— Even
Imaginary Harmony

🎯 Verdict

If you need a harmony-style option, Ruan Mei (Tier S) is the stronger pull. Sunday (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, Ruan Mei (Tier S) is the stronger pull. Sunday (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 Ruan Mei and Sunday are strong — the right choice depends on which fills a bigger gap in your roster.

Frequently Asked Questions

Is Ruan Mei or Sunday better?

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