Imaginary vs Imaginary Character Comparison
Sunday vs Mydei
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. Mydei is a Imaginary Destruction — Mydei is an Imaginary Destruction unit who consumes his own HP to enter the Vendetta state and deal huge HP-scaling damage with built-in sustain. For your roster, Sunday contributes harmony value while Mydei covers destruction.
Damage Profile
Team Fit
Ease of Play
🎯 Verdict
If you need a harmony-style option, Sunday (Tier S) is the stronger pull. Mydei (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. Mydei (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 Mydei are strong — the right choice depends on which fills a bigger gap in your roster.
Frequently Asked Questions
Is Sunday or Mydei better?
There is no universal answer — Sunday wins in Damage Profile and Team Fit and Ease of Play scenarios where their kit shines, while Mydei 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.