Hey, I’m Zathong and this guide is about Idunn Build in Fire Emblem Heroes (FEH).
Best Idunn 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 Idunn build for the meta. Learn more about Idunn’s IVs, Stats at Lv 40, Roles, Strengths, and Weaknesses and more.
Overall Rating: 9/10
Idunn Builds
 : Demonic Breath | A : Fort. Def/Res 3 |
 : Swap | B : Dragon Wall 3 |
 :Bonfire | C : D/R Near Save 3 |
| S : Quick Riposte 3 |
Recommended IVs
- +Res/-Spd
Stats
Hero Stats
Neutral Stats at Lv. 40 (5★)
| HP | 45 | Rank: 65/808 |
| Atk | 35 | Rank: 246/808 |
| Spd | 26 | Rank: 502/808 |
| Def | 39 | Rank: 24/808 |
| Res | 34 | Rank: 80/808 |
Roles
- Close Magic
- Effective Weapon
- Exclusive Skill
Counters & Teammates
Counters
These picks are strong against Idunn in game.
Teammates
These picks are good against Idunn in game.
Gameplay
Skills
These are all skill for Idunn: Passives, Specials, Assists & Weapons.
For Passives Skill
| Skill Name | Effect | Learned At |
| Fortress Def 1 | Grants Def +3. Inflicts Atk -3. | 5★ |
| Fort. Def/Res 1 | Grants Def/Res +3. Inflicts Atk -3. | 5★ |
| Fort. Def/Res 2 | Grants Def/Res +4. Inflicts Atk -3. | 5★ |
| Fort. Def/Res 3 | Grants Def/Res +6. Inflicts Atk -2. | 5★ |
| Vengeful Fighter 1 | If unit’s HP ≥ 90% and foe initiates combat, unit makes a guaranteed follow-up attack. Grants Special cooldown charge +1 per attack. (Does not stack. ) | 5★ |
| Vengeful Fighter 2 | If unit’s HP ≥ 70% and foe initiates combat, unit makes a guaranteed follow-up attack. Grants Special cooldown charge +1 per attack. (Does not stack. ) | 5★ |
| Vengeful Fighter 3 | If unit’s HP ≥ 50% and foe initiates combat, unit makes a guaranteed follow-up attack. Grants Special cooldown charge +1 per attack. (Does not stack. ) | 5★ |
| Spur Def 1 | Grants adjacent allies Def +2 during combat. | 5★ |
| Spur Def 2 | Grants adjacent allies Def +3 during combat. | 5★ |
| Ward Dragons | Grants Def/Res+4 to dragon allies within 2 spaces during combat. | 5★ |
For Specials Skill
| Skill Name | Effect | Learned At |
| Glowing Ember | (Cooldown Count = 4) Boosts damage dealt by 50% of unit’s Def. | 5★ |
| Bonfire | (Cooldown Count = 3) Boosts damage dealt by 50% of unit’s Def. | 5★ |
For Assists Skill
For Weapons Skill
| Skill Name | Might | Range | Effect | Learned At |
| Fire Breath | 6 | 1 | No Effect | 5★ |
| Fire Breath+ | 8 | 1 | No Effect | 5★ |
| Flametongue | 11 | 1 | No Effect | 5★ |
| Demonic Breath | 16 | 1 | Def+3. Effective against armored foes. At start of combat, if a penalty is active on unit, or unit’s HP< 100%, neutralizes penalties on unit and grants Atk/Spd/Def/Res+4 in combat. Calculates damage using the lower of foe’s Def & Res if foe’s range=2 | 5★ |
Read more: Fire Emblem Heroes Build