Fire Emblem Heroes

FEH Duo Eirika Build 2024: Best IVs [Fire Emblem Heroes]

Hey, I’m Zathong and this guide is about Duo Eirika Build in Fire Emblem Heroes (FEH).

Best Duo Eirika build guides for Fire Emblem Heroes 2024. I works hard to keep my’s Fire Emblem Heroes builds and guides updated, and will help you craft the best Duo Eirika build for the meta. Learn more about Duo Eirika’s IVs, Stats at Lv 40, Roles, Strengths, and Weaknesses and more.

Overall Rating: 9/10

Duo Eirika Builds

:  Blade of RenaisA :Distant Foil
: RepositionB : Null Follow-Up 3
:LunaC :  Joint Drive Spd
S : Sturdy Stance 2

A budget setup for Duo Eirika! Her kit is already very complete, so you only need a movement-assist skill and a Sacred Seal of choice. Sturdy Stance 2 is just one of the many options you can take and it synergizes well with the rest of her kit!

Recommended IVs

+Spd/-ResThe best IVs for Duo Eirika are +Spd and -Res. A higher Spd stat allows Duo Eirika to get a ton of follow-up attacks on her foes. This also helps her effectively leverage the Spd-based damage reduction she gets from her Duo Skill. Her Res is of less importance, so it is safe to take as a bane.
+Spd for a +10 MergeWe recommend a +Spd IV when merging Duo Eirika to 10. This is for the same reasons as above! Maximize her Spd and she will be very bulky thanks to her Duo Skill.
You can also get a +Atk IV if you prefer, but +Spd is arguably better in most situations.


Hero Stats

Neutral Stats at Lv. 40 (5★)

HP40Rank: 297/808
Atk36Rank: 188/808
Spd43Rank: 2/808
Def30Rank: 246/808
Res28Rank: 226/808

Stat Variations

Initial Stats (with Skills)

5★ Lv.11824138669

Lv 40+10 Stats (5★)

+10 Merges W/ Skill Bonuses4557483432216
Lv.40 +104541483432200

Stats at Lv 40

5★- Adjusted for Skills4052433028193
5★ Lv.404036433028177


Note: Duo Eirika is a close physical attacker (range = 1). Therefore, when not accounting for the Weapon Triangle, the amount of damage she deals will be equivalent to her Atk minus the foe’s Def stat.

Pros & cons

Pros (Strengths)Cons (Weaknesses)
Blade of Renais grants an all-stat buff and leverages Def stat against enemies!
Can Counterattack All Physical Attacks
Null Follow-up Prevents Enemy Follow-up Attacks and Ensures Eirika’s Follow-up Attacks
Speed Buff for the Whole Team!

Counters & Teammates 


These picks are strong against Duo Eirika and Ephraim in game.


These picks are good against Duo Eirika and Ephraim in game.



These are all skill for Duo Eirika and Ephraim: Passives, Specials, Assists & Weapons.

For Passives Skill

Skill NameEffectLearned At
Distant FoilIf sword, lance, axe, bow, dagger, or beast foe initiates combat, grants Atk/Def+5 to unit during combat and unit can counterattack regardless of foe’s range.5★
Null Follow-Up 1At start of combat, if unit’s HP = 100%, disables foe’s skills that guarantee foe’s follow-up attack and foe’s skills that prevent unit’s follow-up attack.5★
Null Follow-Up 2At start of combat, if unit’s HP ≥ 50%, disables foe’s skills that guarantee foe’s follow-up attack and foe’s skills that prevent unit’s follow-up attack.5★
Null Follow-Up 3Disables foe’s skills that guarantee foe’s follow-up attack and foe’s skills that prevent unit’s follow-up attack.5★
Spur Spd 1Grants adjacent allies Spd +2 during combat.5★
Joint Drive SpdGrants Spd +4 to allies within 2 spaces during combat. If unit is within 2 spaces of an ally, grants Spd +4 to unit during combat.5★

For Specials Skill

Skill NameEffectLearned At
New Moon(Cooldown Count = 3) Resolve combat as if foe suffered Def/Res -30%.5★
Luna(Cooldown Count = 3) Treats foe’s Def/Res as if reduced by 50% during combat.5★

For Assists Skill

For Weapons Skill

Skill NameMightRangeEffectLearned At
Iron Sword61No Effect5★
Steel Sword81No Effect5★
Silver Sword111No Effect5★
Blade of Renais161Accelerates Special trigger (cooldown count-1). If unit initiates combat or is within 2 spaces of an ally, grants Atk/Spd/Def/Res+5 to unit, and also if 【Bonus】 or 【Penalty】 is active on unit, deals damage = 20% of foe’s Def, and also if unit deals damage to foe during combat, restores HP to unit = 20% of foe’s Def. (Triggers even if 0 damage is dealt.)5★

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