Fusion vs Aero Character Comparison

Mortefi vs Iuno

Mortefi is a Fusion Sub-DPS — Mortefi is a 4★ Fusion Pistols sub-DPS who grants a large Heavy Attack DMG buff through his Outro, making him a classic enabler for Heavy-Attack carries like Jiyan (the b Iuno is a Aero Support — Iuno is a 5★ Aero Gauntlets support who grants a large Heavy Attack and Aero buff via her Outro and builds Concerto quickly. For your roster, Mortefi contributes sub-dps value while Iuno covers support.

VS
Mortefi
VS
Iuno

Damage Profile

Mortefi
Iuno
Fusion Pistols — best Any 4★ Pistol (standard banner)
— Even
Aero Gauntlets — best Any 5★ Gauntlet (signature)
8/10 — best free Heavy-Attack buffer; enables Jiyan.
✓ Iuno
9/10 — premium Aero enabler; best Heavy-Attack buffer.

Team Fit

Mortefi
Iuno
Mortefi + Jiyan (Aero DPS) + Verina.
— Even
Iuno + Cartethyia / Jiyan + Shorekeeper / Verina.
Sub-DPS
— Even
Support

Ease of Play

Mortefi
Iuno
Fusion Sub-DPS
— Even
Aero Support

🎯 Verdict

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

Frequently Asked Questions

Is Mortefi or Iuno better?

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