Dedue
Summer Dedue
Blue
Blue Beast
Armored
5 Star
Sturdy Beast
Atk/Def Fortune
Assault Fighter
For the True King
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Exclusive Skill
All-Range Counter
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Fire Emblem Heroes (FEH)
Fallen Dedue | Rearmed Dedue Builds and Best IVs
★ Latest Banners - New Heroes: Harmonized CYL Ike, Lyn
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This is a ranking page for the hero Dedue - Dauntless Beast 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 Fallen Dedue.
| Heroes With the Same Name | |
|---|---|
 Fallen Dedue
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List of Contents
| New Heroes - New Heroes & Rearmed Dedue Featured Heroes | |||
|---|---|---|---|
 Fallen Alear (M)[9.5/10] |
Fallen Dedue [9.5/10] |
 Fallen Alear (F)[9.9/10] |
 Fallen Lena[9.5/10] |
Fallen Dedue Rating and Basic Information
| Overall Rating | 9.5/10 |
|---|---|
| Reroll Ranking (excluding Inherit Skill) |
S (▶Reroll Ranking) |
| Ranking (including Inherit Skill) |
S (▶FEH Tier List) |
Dedue - Dauntless Beast: Basic Information
| Color / Weapon Type / Move Type | |
|---|---|
| Rarity | |
| What Kind of Character Are They? | ・Arcane Crest neutralizes penalties on Dedue and grants Dedue bonus stats, bonus true damage, true DR, and a Preempt Pulse effect. ・For the True King has built-in Far Save, triggers Savior up to 4 spaces away on support partner or ally with highest Atk, grants Dedue bonus stats, true damage, true DR, a Preempt Pulse effect, and a Twin Save effect. |
Fallen Dedue Skills at 5★
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Might: 14 Range: 1 Accelerates Special trigger (cooldown count-1). If foe initiates combat or if unit's HP ≥ 25% at start of combat, grants bonus to unit's Atk/Spd/Def/Res = 25% of foe's Atk at start of combat -4 (max 14; min 5), neutralizes penalties on unit, deals damage = 15% of unit's Atk (including area-of-effect Specials), reduces damage from foe's attacks by 15% of unit's Atk (including area-of-effect Specials; excluding Røkkr area-of-effect Specials), and grants Special cooldown count-1 to unit before unit's first attack during combat. At start of turn, if unit is adjacent to only beast or dragon allies or if unit is not adjacent to any ally, unit transforms (otherwise, unit reverts). If unit transforms, grants Atk+2, and unit can counterattack regardless of foe's range. |
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Cooldown Count = 3 Boosts damage by X% of unit's Def when Special triggers (if transformed, X = 50; otherwise, X = 40). If both of the following conditions are met, reduces damage from foe's next attack by 40% during combat: - Unit's or foe's Special is ready, or unit's or foe's Special triggered before or during this combat. - Unit is transformed or unit's Def ≥ foe's Def-4. (Once per combat; excluding area-of-effect Specials). |
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If unit can transform, transformation effects gain "if unit is within 2 spaces of a beast or dragon ally, or if number of adjacent allies other than beast or dragon allies ≤ 2" as a trigger condition (in addition to existing conditions). If defending in Aether Raids, at the start of enemy turn 1, if conditions for transforming are met, unit transforms. If unit is transformed or if foe initiates combat, grants Atk/Def+8 to unit and neutralizes foe's bonuses to Atk/Def during combat, and restores 7 HP to unit after combat. |
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If unit initiates combat or is within 3 spaces of an ally, inflicts Atk/Def-4 on foe, deals damage = 20% of unit's Def (excluding area-of-effect Specials), reduces damage from foe's attacks by 20% of unit's Def (excluding area-of-effect Specials), unit makes a guaranteed follow-up attack, and reduces the percentage of foe's non-Special "reduce damage by X%" skills by 50% during combat (excluding area-of-effect Specials). |
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If foe with Range = 2 initiates combat against an ally within 2 spaces of unit, triggers 【Savior】 on unit. If foe initiates combat against target ally within 4 spaces of unit, triggers 【Savior】 on unit. (If support partner is on player team target ally is any support partner; otherwise, target ally is the ally with the highest Atk on player team, excluding unit.) Unit can move to a space within 2 spaces of target ally. If unit is transformed or if foe initiates combat, grants Atk/Def/Res+5 to unit, unit deals +7 damage (excluding area-of-effect Specials), reduces damage from foe's attacks by 7 (excluding area-of-effect Specials), and grants Special cooldown count-1 to unit before unit's first attack during combat, and any "reduces damage by X%" effect that can be triggered only once per combat by unit's equipped Special skill can be triggered up to twice per combat (excludes boosted Special effects from engaging; only highest value applied; does not stack). |
Fallen Dedue Best IVs
Recommended IVs
| Stat | Superboon/Superbane | IV Recommendation |
|---|---|---|
| HP (23) |
|
★★★★★ |
| Atk (14) |
|
★★★★★ |
| Spd (4) |
|
★☆☆☆☆ |
| Def (10) |
|
★★★★★ |
| Res (10) |
|
★★★★☆ |
◯ = 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.
+Def / -Spd
The best IVs for Fallen Dedue are +Def and -Spd. Def is a superboon and boosts Dedue's already high Def from base 49 to base 53, and is ideal as key ranged threats in today's metagame are physical, such as Emblem Lyn and Ninja Lucina.
Def is also the basis for skills that are ideal to equip onto Fallen Dedue, like his base kit's Sturdy Beast and any of the tier 4 Fighter skills like his base kit's Assault Fighter.
+Atk can also be a good boon, as it is the basis for Arcane Crest's bonus true damage and true damage reduction effects.
Dedue's Spd is a clear dump stat and is the best bane to take.
+Def for a +10 merge
We recommend +Def when merging Fallen Dedue up to +10 for similar reasons above.
Fallen Dedue Best Builds
Offensive Tank Fallen Dedue
| HOT | |
|---|---|
 ：
Swap
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| Updated on 05/07/2025 | |
How to Use, Explanation
Fallen Dedue's base kit is good enough to be used out of the box. Emblem Eirika ring allows Dedue to attack consecutively and burst down his foes, while Hardy Bearing prevents Desperation effects to ensure Dedue can land his brave attack in. On a budget, Dedue's base kit is good enough to be used.
Fallen Dedue Stats
Stat Rankings
| Neutral Stats at Lv. 40 (5★) | ||
|---|---|---|
| 207 | ||
| HP | 
49 |
Rank: 25/1317 |
| Atk | 
49 |
Rank: 3/1317 |
| Spd | 
17 |
Rank: 1174/1317 |
| Def | 
49 |
Rank: 2/1317 |
| Res | 
43 |
Rank: 70/1317 |
Stat Values
Lv 40+10 Stats (5★)
| HP | Atk | Spd | Def | Res | Total | |
|---|---|---|---|---|---|---|
| +10 Merges W/ Skill Bonuses | 54 | 68 | 21 | 54 | 47 | 244 | Lv.40 +10 | 54 | 54 | 21 | 54 | 47 | 230 |
| HP | Atk | Spd | Def | Res | Total | |
|---|---|---|---|---|---|---|
| +HP Lv.40 +10 | 56 | 53 | 21 | 53 | 47 | 230 |
| +Atk Lv.40 +10 | 53 | 56 | 21 | 53 | 47 | 230 |
| +Spd Lv.40 +10 | 53 | 53 | 24 | 53 | 47 | 230 |
| +Def Lv.40 +10 | 53 | 53 | 21 | 57 | 47 | 231 |
| +Res Lv.40 +10 | 53 | 53 | 21 | 53 | 50 | 230 |
Stats at Lv 40
| HP | Atk | Spd | Def | Res | Total | |
|---|---|---|---|---|---|---|
| 5★- Adjusted for Skills | 49 | 63 | 17 | 49 | 43 | 221 |
| 5★ Lv.40 | 49 | 49 | 17 | 49 | 43 | 207 |
Initial Stats (with Skills)
| HP | Atk | Spd | Def | Res | Total | |
|---|---|---|---|---|---|---|
| 5★ Lv.1 | 23 | 28 | 4 | 10 | 10 | 75 |
Stat Comparison of Similar Heroes
| Hero |
HP |
Atk |
Spd |
Def |
Res |
Total |
|---|---|---|---|---|---|---|
| 53 | 50 | 16 | 50 | 43 | 212 | |
| 52 | 48 | 21 | 49 | 41 | 211 | |
| 50 | 49 | 17 | 48 | 43 | 207 | |
| 50 | 48 | 17 | 44 | 48 | 207 | |
| 49 | 47 | 16 | 49 | 46 | 207 | |
| 50 | 48 | 16 | 49 | 44 | 207 | |
|
Fallen Dedue
|
49 | 49 | 17 | 49 | 43 | 207 |
| 47 | 49 | 18 | 49 | 43 | 206 | |
| 46 | 44 | 15 | 46 | 44 | 195 | |
| 45 | 42 | 14 | 44 | 39 | 184 | |
| 47 | 37 | 23 | 37 | 30 | 174 |
Note: Stats bonuses from skills are not taken into account.
Fallen Dedue Roles, Strengths, and Weaknesses
Fallen Dedue Roles
Fallen Dedue is a close physical attacker (range = 1). 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.
Fallen Dedue Strengths
Arcane Crest Grants Preempt Pulse, True Damage, and True Damage Reduction
Fallen Dedue's inheritable Arcane Crest neutralizes penalties on Dedue, grants him up to Atk/Spd/Def/Res+14 in combat, bonus true damage and true damage reduction equal to 15% of his Atk, and grants him a Preempt Pulse effect.
While Arcane Crest isn't as spectacular as some exclusive weapons, it has everything it needs to be usable in today's metagame. Accelerated trigger, true damage, true damage reduction, and bonus stats are all key effects, and the Preempt Pulse effect is a useful extra bonus to have.
For the True King can Trigger Savior Up To 4 Spaces Away
Fallen Dedue's exclusive C skill For the True King has the bulk of Dedue's strength.
For the True King has built-in Far Save, which protects allies up to 2 spaces away from ranged attacks.
More importantly, For the True King also triggers Savior for a target ally up to 4 spaces away. The target ally is either Dedue's support partner (if present), or the ally with the highest Atk (if no support partner is present).
This effect can be abused by matching the entire team's Atk stats through merges, dragonflowers, and Sacred Seals. If Atk stats are equal, For the True King's 4 space Savior effect will trigger on all of those allies!
It is also worth noting that For the True King's 4 space Savior effect is not restricted to Near or Far Save. Dedue will jump in on any attack, melee or ranged.
For the True King also grants Dedue Atk/Def/Res+5, +7 true damage, 7 true damage reduction on foe's attacks, a Preempt Pulse effect, and a Twin effect, allowing one-time damage reduction effects on Specials to trigger twice.
Fallen Dedue Weaknesses
Weak to Armor Effective Weapons
Fallen Dedue takes 1.5x damage from armor-effective weapons like Randgríðr, 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!
Weak to Beast Effective Weapons
Fallen Dedue takes 1.5x damage from beast-effective weapons like Brave Eliwood's Nini's Ice Lance or Picnic Flora's Sæhrímnir, 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 |
|---|
Dedue - Dauntless Beast Only Appears as a 5 Star Hero!
Dedue - Dauntless Beast only appears as a 5 Star Hero. We will include whether or not you should Unlock Potential for Dedue - Dauntless Beast if a 4 Star version is released!
Fallen Dedue - List of Skills
Weapons
| Skill Name | Might | Range | Effect | Learned At |
|---|---|---|---|---|
| 4 | 1 | At start of turn, if unit is adjacent to only beast or dragon allies or if unit is not adjacent to any ally, unit transforms (otherwise, unit reverts). If unit transforms, grants Atk+2, and unit can counterattack regardless of foe's range. | 5★ | |
| 6 | 1 | At start of turn, if unit is adjacent to only beast or dragon allies or if unit is not adjacent to any ally, unit transforms (otherwise, unit reverts). If unit transforms, grants Atk+2, and unit can counterattack regardless of foe's range. | 5★ | |
| 9 | 1 | At start of turn, if unit is adjacent to only beast or dragon allies or if unit is not adjacent to any ally, unit transforms (otherwise, unit reverts). If unit transforms, grants Atk+2, and unit can counterattack regardless of foe's range. | 5★ | |
| 14 | 1 | Accelerates Special trigger (cooldown count-1). If foe initiates combat or if unit's HP ≥ 25% at start of combat, grants bonus to unit's Atk/Spd/Def/Res = 25% of foe's Atk at start of combat -4 (max 14; min 5), neutralizes penalties on unit, deals damage = 15% of unit's Atk (including area-of-effect Specials), reduces damage from foe's attacks by 15% of unit's Atk (including area-of-effect Specials; excluding Røkkr area-of-effect Specials), and grants Special cooldown count-1 to unit before unit's first attack during combat. At start of turn, if unit is adjacent to only beast or dragon allies or if unit is not adjacent to any ally, unit transforms (otherwise, unit reverts). If unit transforms, grants Atk+2, and unit can counterattack regardless of foe's range. |
5★ |
Assists
| This Hero has no Assist skills that can be learned. |
Specials
| Skill Name | Effect | Learned At |
|---|---|---|
| (Cooldown Count = 4) Boosts damage dealt by 50% of unit’s Def. | 5★ | |
| (Cooldown Count = 4) Boosts damage dealt by 80% of unit’s Def. | 5★ | |
| (Cooldown Count = 3) Boosts damage by X% of unit's Def when Special triggers (if transformed, X = 50; otherwise, X = 40). If both of the following conditions are met, reduces damage from foe's next attack by 40% during combat: - Unit's or foe's Special is ready, or unit's or foe's Special triggered before or during this combat. - Unit is transformed or unit's Def ≥ foe's Def-4. (Once per combat; excluding area-of-effect Specials). |
5★ |
Passives
| Skill Name | Effect | Learned At |
|---|---|---|
| Grants Atk/Def+X to unit during combat. (X = number of allies within 2 spaces; max 3.) | 5★ | |
| Grants Atk/Def+X to unit during combat. (X = number of allies within 2 spaces + 2; max 5.) | 5★ | |
| Grants Atk/Def+X to unit during combat. (X = 2 × number of allies within 2 spaces, + 1; max 7.) | 5★ | |
| If unit can transform, transformation effects gain "if unit is within 2 spaces of a beast or dragon ally, or if number of adjacent allies other than beast or dragon allies ≤ 2" as a trigger condition (in addition to existing conditions). If defending in Aether Raids, at the start of enemy turn 1, if conditions for transforming are met, unit transforms. If unit is transformed or if foe initiates combat, grants Atk/Def+8 to unit and neutralizes foe's bonuses to Atk/Def during combat, and restores 7 HP to unit after combat. |
5★ | |
| If unit’s HP = 100% and unit initiates combat, unit makes a guaranteed follow-up attack. Grants Special cooldown charge +1 per attack. (Does not stack. ) | 5★ | |
| If unit’s HP ≥ 50% and unit initiates combat, unit makes a guaranteed follow-up attack. Grants Special cooldown charge +1 per attack. (Does not stack. ) | 5★ | |
| If unit initiates combat, unit makes a guaranteed follow-up attack. Grants Special cooldown charge +1 per attack. (Does not stack. ) | 5★ | |
| If unit initiates combat or is within 3 spaces of an ally, inflicts Atk/Def-4 on foe, deals damage = 20% of unit's Def (excluding area-of-effect Specials), reduces damage from foe's attacks by 20% of unit's Def (excluding area-of-effect Specials), unit makes a guaranteed follow-up attack, and reduces the percentage of foe's non-Special "reduce damage by X%" skills by 50% during combat (excluding area-of-effect Specials). | 5★ | |
| If foe with Range = 2 initiates combat against an ally within 2 spaces of unit, triggers 【Savior】 on unit. If foe initiates combat against target ally within 4 spaces of unit, triggers 【Savior】 on unit. (If support partner is on player team target ally is any support partner; otherwise, target ally is the ally with the highest Atk on player team, excluding unit.) Unit can move to a space within 2 spaces of target ally. If unit is transformed or if foe initiates combat, grants Atk/Def/Res+5 to unit, unit deals +7 damage (excluding area-of-effect Specials), reduces damage from foe's attacks by 7 (excluding area-of-effect Specials), and grants Special cooldown count-1 to unit before unit's first attack during combat, and any "reduces damage by X%" effect that can be triggered only once per combat by unit's equipped Special skill can be triggered up to twice per combat (excludes boosted Special effects from engaging; only highest value applied; does not stack). |
5★ |
Fallen Dedue as a Source Hero
| Value of Skills | ★★★★★ |
|---|
Fallen Dedue has Arcane Crest, Sturdy Beast, Atk/Def Fortune, and Assault Fighter as inheritable options.
Try to acquire as many skills as possible with one copy of Dedue by inheriting the prerequisite skills first.
Additionally, as a Rearmed hero, Fallen Dedue will not disappear from your barracks upon using him as inheritance fodder.
| List of Source Heroes | The Best Fodder Units |
Community Feedback
How would you rate Fallen Dedue?
If you have feedback about this hero page, let us know in the comments section below!
How to Get Fallen Dedue / Illustrations / Voice Actor / Quotes
How to Get Fallen Dedue
Obtain Through Regular Summon
Fallen Dedue is a limited time Rearmed 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) |
Ben Lepley |
|---|---|
| Illustrator | so-taro |
| Appears In |
Illustration
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FEH: Related Guides
Legendary Heroes - Diamant: Fortified King
| Heroes from Legendary Heroes - Diamant: Fortified King | |||
|---|---|---|---|
 Emblem Eirika[9.9/10] |
Fallen Alear (M) [9.5/10] |
 Rearmed Noire[9.5/10] |
 Emblem Celica[9.0/10] |
 Emblem Sigurd[9.9/10] |
Fallen Dedue [9.5/10] |
 Emblem Lyn[9.9/10] |
Fallen Alear (F) [9.9/10] |
 Legendary Diamant[9.5/10] |
 Læraðr[9.5/10] |
Fallen Lena [9.5/10] |
 Emblem Micaiah[9.5/10] |
See All Blue Heroes
▶︎Return to the Blue Heroes Page
All Types of Blue Weapons
| Close-Range | Ranged |
|---|---|
 Lance |
 Blue Tome |
 Blue Breath |
 Blue Dagger |
 Blue Beast |
 Blue Bow |
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Fallen Dedue | Rearmed Dedue Builds and Best IVs
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