Leif
Legendary Leif
Scion Leif
Green
Green Bow
Cavalry
5 Star
The True Njörun
Sturdy Flare
Arc-Fort Breath
Shadow Shift 4
Sly Echo
：
：
：
：
：
：
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Fire Emblem Heroes (FEH)
Attuned Leif Builds and Best IVs
★ Latest Banners - New Heroes: Harmonized CYL Ike, Lyn
☆ New Units - Harmonized Brave Ike, Harmonized Brave Lyn, Vanitas
☆ Free Units - N/A
This is a ranking page for the hero Leif - Sworn to Country from the game Fire Emblem Heroes (FEH). Read on to learn the best IVs (Individual Values), best builds (Inherit Skill), weapon refinement, stats at Lv 40, and more for Attuned Leif.
| Heroes With the Same Name | |
|---|---|
 Attuned Leif
|
|
List of Contents
| New Heroes - New Heroes: Attuned & Rearmed Heroes & Melíai Featured Heroes | |||
|---|---|---|---|
 Machyua[9.0/10] |
 Melíai[9.5/10] |
Attuned Leif [9.0/10] |
 Linoan[8.0/10] |
Attuned Leif Rating and Basic Information
| Overall Rating | 9.0/10 |
|---|---|
| Reroll Ranking (excluding Inherit Skill) |
A (▶Reroll Ranking) |
| Ranking (including Inherit Skill) |
A (▶FEH Tier List) |
Leif - Sworn to Country: Basic Information
| Color / Weapon Type / Move Type | |
|---|---|
| Rarity | |
| What Kind of Character Are They? | ・Bow of Loyalty attacks twice, grants Atk/Def+6, a Dull All effect, and Incited to Leif and nearby allies at start of turn, grants Leif bonus Atk/Def/Res, up to +15 bonus true damage and true DR, and a null Guard effect. ・The True Njörun enables 【Canto (Ally 2, 2)】, grants Leif another action after combat, and 40% damage reduction. |
Attuned Leif Skills at 5★
|
Might: 9 Range: 2 Accelerates Special trigger (cooldown count-1). Effective against flying foes. Unit attacks twice (even if foe initiates combat, unit attacks twice). At start of turn, if unit is within 2 spaces of an ally, grants Atk/Def+6, "neutralizes foe's bonuses during combat," and 【Incited】 to unit and allies within 2 spaces of unit for 1 turn. If unit initiates combat or is within 2 spaces of an ally, grants bonus to unit's Atk/Def/Res = 20% of unit's Def at start of combat, + 5, unit deals +X damage (excluding area-of-effect Specials), reduces damage from foe's attacks by X (excluding area-of-effect Specials; X = number of allies within 3 rows or 3 columns centered on unit × 5; max 15), and neutralizes effects that inflict "Special cooldown charge -X" on unit during combat. |
|
Cooldown Count = 3 Boosts damage by 50% of unit's Def when Special triggers. Enables 【Canto (Ally 2, 2)】. If unit initiates combat, after combat, if unit's Special triggered and unit survives, grants another action to unit, and also, if unit is not within 2 spaces of an ally, inflicts "restricts movement to 1 space" on unit and Pair Up cohort through their next action (once per turn; "within 2 spaces" is calculated based on the position of unit after triggering post-combat skill effects that change positioning). If unit's or foe's Special is ready, or unit's or foe's Special triggered before or during this combat, reduces damage from foe's next attack by 40% (once per combat; excluding area-of-effect Specials). |
|
If unit initiates combat, deals 7 damage to foe as combat begins (effects that reduce damage during combat do not apply; will not reduce foe's HP below 1), grants Atk+7, Def+10 to unit during combat, and applies 【Divine Vein (Flame)】 on 5 spaces in a line centered on foe's space (oriented left to right based on the direction unit is facing) for 1 turn after combat. |
|
Inflicts Atk/Def-4 on foe, unit deals +X damage (excluding area-of-effect Specials; X = the greater of 15% of unit's Atk or 20% of unit's Def), and grants Special cooldown charge +1 to unit per attack during combat (only highest value applied; does not stack), and also, when unit's Special triggers, neutralizes foe's "reduces damage by X%" effects from foe's non-Special skills (excluding area-of-effect Specials). |
|
When Canto triggers, enables unit to use 【Reposition】 on ally (this effect is not treated as an Assist skill; if similar effects are active, this effect does not trigger). If unit is within 3 spaces of an ally, grants Atk/Spd/Def/Res+3 to unit during combat and restores 7 HP to unit after combat. 【Reposition】 Range = 1. Target moves to opposite side of unit. |
|
If unit initiates combat, unit makes a guaranteed follow-up attack during combat, and also, if number of 【Bonus】 effects active on unit ≥ 2, excluding stat bonuses, or if number of 【Penalty】 effects active on foe ≥ 2, excluding stat penalties, unit deals +5 damage during combat (including when dealing damage with an area-of-effect Special; excluding Røkkr area-of-effect Specials). |
Attuned Leif Best IVs
Recommended IVs
| Stat | Superboon/Superbane | IV Recommendation |
|---|---|---|
| HP (18) |
|
★★★☆☆ |
| Atk (9) |
|
★★★★★ |
| Spd (3) |
|
★☆☆☆☆ |
| Def (12) |
|
★★★★★ |
| Res (8) |
|
★★★☆☆ |
◯ = Stat gains +4 with a superboon, ✕= Stat goes down by -4 with a superbane, - = No assets or flaws
| See the IV Checker for All Units | Trait Fruits—How to Change IVs |
When using an Ascendant Floret, we recommend getting the next superboon if it fits the hero. If not, consider what stat your hero needs most.
+Atk / -Spd
The best IVs for Attuned Leif are +Atk and -Spd. Despite having various Def checks in his kit, Atk remains Leif's best boon as it is applied twice through Bow of Loyalty's brave attacks and will consistently deal more damage as a result.
Spd is Attuned Leif's least important stat and can be safely taken as a bane as it won't impact any of his matchups.
+Atk for a +10 merge
We recommend +Atk when merging Attuned Leif up to +10 to maximize his damage output.
Attuned Leif Best Builds
True Damage Stack Attuned Leif
| HOT | |
|---|---|
 ：
Sly Echo
|
|
| Updated on 07/18/2025 | |
How to Use, Explanation
This build stacks true damage with Bow of Loyalty, Sly Sturdy Blow, Arc-Fort Breath, and Sly Echo. Bow of Loyalty's brave attacks will apply the bonus true damage twice, or even four times if Leif can create a follow-up attack.
Budget Attuned Leif
 ：
-
|
：
Sly Echo
|
| Updated on 07/18/2025 | |
How to Use, Explanation
Attuned Leif's base kit is good enough to run right out of the box as an offensive unit.
Attuned Leif Stats
Stat Rankings
| Neutral Stats at Lv. 40 (5★) | ||
|---|---|---|
| 185 | ||
| HP | 
40 |
Rank: 536/1322 |
| Atk | 
48 |
Rank: 19/1322 |
| Spd | 
16 |
Rank: 1230/1322 |
| Def | 
47 |
Rank: 24/1322 |
| Res | 
34 |
Rank: 284/1322 |
Stat Values
Lv 40+10 Stats (5★)
| HP | Atk | Spd | Def | Res | Total | |
|---|---|---|---|---|---|---|
| +10 Merges W/ Skill Bonuses | 45 | 62 | 20 | 52 | 38 | 217 | Lv.40 +10 | 45 | 53 | 20 | 52 | 38 | 208 |
| HP | Atk | Spd | Def | Res | Total | |
|---|---|---|---|---|---|---|
| +HP Lv.40 +10 | 47 | 52 | 20 | 51 | 38 | 208 |
| +Atk Lv.40 +10 | 44 | 56 | 20 | 51 | 38 | 209 |
| +Spd Lv.40 +10 | 44 | 52 | 23 | 51 | 38 | 208 |
| +Def Lv.40 +10 | 44 | 52 | 20 | 54 | 38 | 208 |
| +Res Lv.40 +10 | 44 | 52 | 20 | 51 | 41 | 208 |
Stats at Lv 40
| HP | Atk | Spd | Def | Res | Total | |
|---|---|---|---|---|---|---|
| 5★- Adjusted for Skills | 40 | 57 | 16 | 47 | 34 | 194 |
| 5★ Lv.40 | 40 | 48 | 16 | 47 | 34 | 185 |
Initial Stats (with Skills)
| HP | Atk | Spd | Def | Res | Total | |
|---|---|---|---|---|---|---|
| 5★ Lv.1 | 18 | 18 | 3 | 12 | 8 | 59 |
Stat Comparison of Similar Heroes
| Hero |
HP |
Atk |
Spd |
Def |
Res |
Total |
|---|---|---|---|---|---|---|
| 40 | 45 | 48 | 24 | 28 | 185 | |
| 38 | 45 | 47 | 25 | 30 | 185 | |
| 39 | 44 | 47 | 27 | 28 | 185 | |
| 40 | 46 | 47 | 30 | 22 | 185 | |
| 40 | 46 | 48 | 24 | 27 | 185 | |
|
Attuned Leif
|
40 | 48 | 16 | 47 | 34 | 185 |
| 38 | 39 | 41 | 32 | 26 | 176 | |
| 37 | 45 | 31 | 16 | 45 | 174 | |
| 39 | 43 | 47 | 20 | 25 | 174 | |
| 38 | 43 | 46 | 22 | 25 | 174 | |
| 40 | 43 | 46 | 25 | 20 | 174 | |
| 41 | 36 | 39 | 27 | 24 | 167 | |
| 38 | 32 | 35 | 31 | 20 | 156 | |
| 41 | 33 | 35 | 23 | 24 | 156 | |
| 40 | 34 | 34 | 25 | 17 | 150 | |
| 36 | 32 | 38 | 23 | 20 | 149 |
Note: Stats bonuses from skills are not taken into account.
Attuned Leif Roles, Strengths, and Weaknesses
Attuned Leif Roles
Attuned Leif is a ranged physical attacker (range = 2). Therefore, when not accounting for the Weapon Triangle, the amount of damage he deals will be equivalent to his Atk minus the foe's Def stat.
Attuned Leif Strengths
Bow of Loyalty attacks twice and has multiple effects
Attuned Leif's exclusive weapon Bow of Loyalty attacks twice at all times, and grants Atk/Def+6, neutralizes foe's bonuses during combat,
and 【Incited】 to Leif and allies within 2 spaces at the start of each turn.
In combat, Bow of Loyalty grants Leif bonus Atk/Def/Res equal to 5 + 20% of his Def, up to +15 bonus true damage and up to +15 true damage reduction based on number of allies within 3 rows or 3 columns, and neutralizes Guard effects.
Bow of Loyalty is a fantastic weapon that excels offensively while also providing some defense and support, making it a complete weapon.
The True Njörun grants an extra action
Attuned Leif's exclusive Special The True Njörun enables 【Canto (Ally 2, 2)】, allowing him to warp to any spaces within 2 spaces of an ally within 2 spaces after combat.
If The True Njörun triggers during combat on player phase, The True Njörun grants Leif an extra action and inflicts 【Gravity】 on Leif and his Pair-Up cohort.
The True Njörun also grants Leif 40$ damage reduction on his foe's next attack if either his or his foe's Special is ready or already triggered before or during the current combat.
The True Njörun improves Leif's mobility and defense while also granting an extra action, making it one of his best Specials to equip.
Attuned Leif Weaknesses
Weak to Cavalry Effective Weapons
Attuned Leif takes 1.5x damage from cavalry-effective weapons like Thani or Binding Reginleif, and one blow from this type of weapon will deal significant damage. Make sure you know what weapons you are up against before hopping too far into the line of battle!
Should you Unlock Potential?
| Should You Unlock Potential for this Hero? | Cannot Unlock Potential |
|---|
Leif - Sworn to Country Only Appears as a 5 Star Hero!
Leif - Sworn to Country only appears as a 5 Star Hero. We will include whether or not you should Unlock Potential for Leif - Sworn to Country if a 4 Star version is released!
Attuned Leif - List of Skills
Weapons
| Skill Name | Might | Range | Effect | Learned At |
|---|---|---|---|---|
| 4 | 2 | Effective against flying units. | 5★ | |
| 6 | 2 | Effective against flying units. | 5★ | |
| 9 | 2 | Effective against flying units. | 5★ | |
| 9 | 2 | Accelerates Special trigger (cooldown count-1). Effective against flying foes. Unit attacks twice (even if foe initiates combat, unit attacks twice). At start of turn, if unit is within 2 spaces of an ally, grants Atk/Def+6, "neutralizes foe's bonuses during combat," and 【Incited】 to unit and allies within 2 spaces of unit for 1 turn. If unit initiates combat or is within 2 spaces of an ally, grants bonus to unit's Atk/Def/Res = 20% of unit's Def at start of combat, + 5, unit deals +X damage (excluding area-of-effect Specials), reduces damage from foe's attacks by X (excluding area-of-effect Specials; X = number of allies within 3 rows or 3 columns centered on unit × 5; max 15), and neutralizes effects that inflict "Special cooldown charge -X" on unit during combat. |
5★ |
Assists
| This Hero has no Assist skills that can be learned. |
Specials
| Skill Name | Effect | Learned At |
|---|---|---|
| (Cooldown Count = 3) Boosts damage dealt by 50%. | 5★ | |
| (Cooldown Count = 4) Boosts damage dealt by 150%. | 5★ | |
| (Cooldown Count = 3) Boosts damage by 50% of unit's Def when Special triggers. Enables 【Canto (Ally 2, 2)】. If unit initiates combat, after combat, if unit's Special triggered and unit survives, grants another action to unit, and also, if unit is not within 2 spaces of an ally, inflicts "restricts movement to 1 space" on unit and Pair Up cohort through their next action (once per turn; "within 2 spaces" is calculated based on the position of unit after triggering post-combat skill effects that change positioning). If unit's or foe's Special is ready, or unit's or foe's Special triggered before or during this combat, reduces damage from foe's next attack by 40% (once per combat; excluding area-of-effect Specials). |
5★ |
Passives
| Skill Name | Effect | Learned At |
|---|---|---|
| Grants Def +2 during combat if unit initiates the attack. | 5★ | |
| If unit initiates combat, grants Atk/Def +2 during combat. | 5★ | |
| If unit initiates combat, grants Atk/Def +4 during combat. | 5★ | |
| If unit initiates combat, deals 7 damage to foe as combat begins (effects that reduce damage during combat do not apply; will not reduce foe's HP below 1), grants Atk+7, Def+10 to unit during combat, and applies 【Divine Vein (Flame)】 on 5 spaces in a line centered on foe's space (oriented left to right based on the direction unit is facing) for 1 turn after combat. | 5★ | |
| Inflicts Def -3 on foe through its next action after combat. | 5★ | |
| Inflicts Def -5 on foe through its next action after combat. | 5★ | |
| Inflicts Def -7 on foe through its next action after combat. | 5★ | |
| Inflicts Atk/Def-4 on foe, unit deals +X damage (excluding area-of-effect Specials; X = the greater of 15% of unit's Atk or 20% of unit's Def), and grants Special cooldown charge +1 to unit per attack during combat (only highest value applied; does not stack), and also, when unit's Special triggers, neutralizes foe's "reduces damage by X%" effects from foe's non-Special skills (excluding area-of-effect Specials). | 5★ | |
| If unit's HP = 100%, when Canto triggers, enables unit to use 【Reposition】 on ally (this effect is not treated as an Assist skill; if similar effects are active, this effect does not trigger). | 5★ | |
| If unit's HP ≥ 50%, when Canto triggers, enables unit to use 【Reposition】 on ally (this effect is not treated as an Assist skill; if similar effects are active, this effect does not trigger). | 5★ | |
| If unit's HP ≥ 25%, when Canto triggers, enables unit to use 【Reposition】 on ally (this effect is not treated as an Assist skill; if similar effects are active, this effect does not trigger). | 5★ | |
| When Canto triggers, enables unit to use 【Reposition】 on ally (this effect is not treated as an Assist skill; if similar effects are active, this effect does not trigger). If unit is within 3 spaces of an ally, grants Atk/Spd/Def/Res+3 to unit during combat and restores 7 HP to unit after combat. 【Reposition】 Range = 1. Target moves to opposite side of unit. |
5★ | |
| If unit initiates combat, unit makes a guaranteed follow-up attack during combat, and also, if number of 【Bonus】 effects active on unit ≥ 2, excluding stat bonuses, or if number of 【Penalty】 effects active on foe ≥ 2, excluding stat penalties, unit deals +5 damage during combat (including when dealing damage with an area-of-effect Special; excluding Røkkr area-of-effect Specials). | 5★ |
Attuned Leif as a Source Hero
| Value of Skills | ★★★★★ |
|---|
Attuned Leif has Sturdy Flare, Arc-Fort Breath, Shadow Shift 4, and Sly Echo as inheritable options.
As an Attuned Hero, Attuned Leif won't disappear from your barracks upon using him as inheritance fodder.
| List of Source Heroes | The Best Fodder Units |
Community Feedback
How would you rate Attuned Leif?
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How to Get Attuned Leif / Illustrations / Voice Actor / Quotes
How to Get Attuned Leif
Obtain Through Regular Summon
Attuned Leif is a limited time Attuned Hero who can be pulled from their debut banner or focus banners. They do not appear in regular summons.
Note: Not currently a featured hero in any Summon events.
Current Focuses and Which You Should Pull From
Voice Actor and Illustrator Information
| Voice Actor (English) |
Nicolas Roye |
|---|---|
| Illustrator | Wada Sachiko |
| Appears In |
Illustration
 |
 |
 |
 |
FEH: Related Guides
Mythic Heroes - Heimdallr: God of Foresight
| Heroes from Mythic Heroes - Heimdallr: God of Foresight | |||
|---|---|---|---|
 Emblem Ike[9.0/10] |
 Anniversary Marth[9.5/10] |
 Baldr[9.5/10] |
 Emblem Sigurd[9.9/10] |
 Heimdallr[9.5/10] |
 Höðr[9.5/10] |
 Heiðrún[9.5/10] |
Melíai [9.5/10] |
| Attuned Leif [9.0/10] |
 Eikþyrnir[9.5/10] |
 Legendary Sakura[9.5/10] |
 Emblem Micaiah[9.5/10] |
See All Green Heroes
▶︎Return to the Green Heroes Page
All Types of Green Weapons
| Close-Range | Ranged |
|---|---|
 Axe |
 Green Tome |
 Green Breath |
 Green Dagger |
 Green Beast |
 Green Bow |
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Attuned Leif Builds and Best IVs
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