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Harmonized Heroes (introduced in Ver. 4.6.0) are Heroes who are accompanied by another Hero from a different title, whereas Duo Heroes come from the same title. Harmonized Heroes provide a score bonus in Resonant Battles (Notification). Harmonized Heroes come with exclusive Harmonized Skills that can generally only be used once per map. All Harmonized Heroes appear in Special Heroes summoning events.

Harmonized Heroes are not to be confused with Heroes with the Status Icon Pair Up Pair Up ability. Harmonized Skills cannot be used by units deployed using Pair Up.

Features[ | ]

  • Exclusive Harmonized Skills that provide unique effects.
    • Harmonized Skills cannot be used by units deployed using Pair Up.
    • Unless specified otherwise, Harmonized Skills can only be used once per map.
    • Harmonized Skills cannot be used when under the effect of an opposing team's Structure Duos Hindrance Duo's Hindrance in Aether Raids.
    • Harmonized Skills may be refreshed using the effect of Structure Duos Indulgence Duo's Indulgence, unless Duo's Hindrance is still active.
  • Harmonized Heroes provide a score bonus in Resonant Battles.
    • Harmonized Heroes only provide a bonus if at least one of the Heroes is from a bonus title for that week.
    • Bonus 1: Bonus points are calculated based on the number of Harmonized Heroes deployed (up to 2) × the number of bonus-title Heroes deployed × 5. Harmonized Heroes are also counted as bonus-title Heroes.
    • Bonus 2: Bonus points are calculated based on the total number of merges on Harmonized Heroes × 1 (up to a max of 20 total merges).
  • Harmonized Heroes have a special voiced conversation available from their unit screen.

List of Harmonized Heroes[ | ]

The following table lists all Harmonized Heroes at 5 ★ LV. 40.

HeroCohortLead EntryCohort EntryMoveWeaponRelease dateHarmonized skill
Mia Harmonic Blades Face FCMia: Harmonic BladesMarthIcon MiniUnit Head 9 Radiant DawnIcon MiniUnit Head 10 AwakeningCavalryColorless Dagger2020-06-18Grants【Resonance: Blades】to unit and allies from the same titles as unit.

Once used, Harmonized Skill cannot be activated again right away. At start of every third turn, if Harmonized Skill has already been used, unit can use Harmonized Skill again.

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.
Veronica Harmonic Pirates Face FCVeronica: Harmonic PiratesXanderIcon MiniUnit Head 0 HeroesIcon MiniUnit Head 11 FatesCavalryGreen Axe2020-08-07Grants【Resonance: Shields】to unit and allies from the same titles as unit.

Once used, Harmonized Skill cannot be activated again right away. At start of every third turn, if Harmonized Skill has already been used, unit can use Harmonized Skill again.

【Resonance: Shields】
Grants Def/Res+4 during combat and the following effect for 1 turn: "During unit's first combat in player phase or enemy phase, foe cannot make a follow-up attack."
Tiki Harmonic Hope Face FCTiki: Harmonic HopeNinianIcon MiniUnit Head 1 Shadow Dragon / (New) MysteryIcon MiniUnit Head 6 The Blazing BladeFlyingBlue Breath2020-10-08Grants【Resonance: Blades】to unit and allies from the same titles as unit.

Grants another action to ally with the highest HP that is within 2 spaces, has already acted, and is from the same titles as unit (excluding unit). (Allies with Sing or Dance can be granted this effect as well. If multiple units meet the conditions, effect will not trigger.)

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.
Altina Cross-Time Duo Face FCAltina: Cross-Time DuoSanakiIcon MiniUnit Head 9 Radiant DawnIcon MiniUnit Head 8 Path of RadianceInfantryRed Sword2020-12-17Grants【Resonance: Blades】to unit and allies from the same titles as unit.

Grants【Vantage】to unit.

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.

【Vantage】
If foe initiates combat, unit can counterattack before foe's first attack for 1 turn.
Dorothea Twilit Harmony Face FCDorothea: Twilit HarmonyLeneIcon MiniUnit Head 12 Three HousesIcon MiniUnit Head 3 Genealogy of the Holy WarFlyingRed Tome2021-01-18Grants【Resonance: Shields】to unit and allies from the same titles as unit.

Grants another action to ally with the highest HP that is within 2 spaces, has already acted, and is from the same titles as unit (excluding unit). (Allies with Sing or Dance can be granted this effect as well. If multiple units meet the conditions, effect will not trigger.)

【Resonance: Shields】
Grants Def/Res+4 during combat and the following effect for 1 turn: "During unit's first combat in player phase or enemy phase, foe cannot make a follow-up attack."
Myrrh Spring Harmony Face FCMyrrh: Spring HarmonyNahIcon MiniUnit Head 7 The Sacred StonesIcon MiniUnit Head 10 AwakeningFlyingColorless Breath2021-03-17Grants【Resonance: Blades】and the following effect to unit and allies from the same titles as unit for 1 turn: "Foe cannot make a follow-up attack."

Grants the following effect to unit for 1 turn: "Neutralizes 'effective against flying' bonuses."

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.
Catria Azure Wing Pair Face FCCatria: Azure Wing PairTheaIcon MiniUnit Head 2 EchoesIcon MiniUnit Head 5 The Binding BladeFlyingGreen Axe2021-05-20Grants the following effects to unit and allies from the same titles as unit for 1 turn: 【Resonance: Blades】,【Desperation】, and "if unit initiates combat, unit makes a guaranteed follow-up attack."

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.

【Desperation】
Grants the following effect for 1 turn: "If unit initiates combat, unit can make a follow-up attack before foe can counterattack."
Caeda Sea-Blossom Pair Face FCCaeda: Sea-Blossom PairPlumeriaIcon MiniUnit Head 1 Shadow Dragon / (New) MysteryIcon MiniUnit Head 0 HeroesCavalryGreen Axe2021-07-07Grants【Resonance: Blades】to unit and allies from the same titles as unit.

Grants another action to ally with the highest HP that is within 2 spaces, has already acted, and is from the same titles as unit (excluding unit). (Allies with Sing or Dance can be granted this effect as well. If multiple units meet the conditions, effect will not trigger.)

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.
Leif Destined Scions Face FCLeif: Destined ScionsSeliphIcon MiniUnit Head 4 Thracia 776Icon MiniUnit Head 3 Genealogy of the Holy WarCavalryColorless Bow2021-09-07Grants the following effects to unit and allies from the same titles as unit for 1 turn: 【Resonance: Blades】,【Desperation】, and "if unit initiates combat, unit makes a guaranteed follow-up attack."

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.

【Desperation】
Grants the following effect for 1 turn: "If unit initiates combat, unit can make a follow-up attack before foe can counterattack."
Lysithea Gifted Students Face FCLysithea: Gifted StudentsLuteIcon MiniUnit Head 12 Three HousesIcon MiniUnit Head 7 The Sacred StonesCavalryColorless Tome2021-12-16Grants Atk+6,【Resonance: Blades】, and 【Bonus Doubler】to unit and allies from the same titles as unit for 1 turn.

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.

【Bonus Doubler】
Grants bonus to Atk/Spd/Def/Res during combat = current bonus on each of unit's stats for 1 turn. Calculates each stat bonus independently.
Azura Hatari Duet Face FCAzura: Hatari DuetLeanneIcon MiniUnit Head 11 FatesIcon MiniUnit Head 8 Path of RadianceCavalryGreen Tome2022-01-17Grants【Resonance: Blades】to unit and allies from the same titles as unit.

Grants another action to ally with the highest HP that is within 2 spaces, has already acted, and is from the same titles as unit (excluding unit). (Allies with Sing or Dance can be granted this effect as well. If multiple units meet the conditions, effect will not trigger.)

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.
Sonya Dazzling Rabbits Face FCSonya: Dazzling RabbitsTharjaIcon MiniUnit Head 2 EchoesIcon MiniUnit Head 10 AwakeningFlyingGreen Tome2022-03-08Grants Special cooldown count-2 to unit and allies from the same titles as unit. Grants Atk+6 and【Resonance: Blades】to unit and allies from the same titles as unit for 1 turn.

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.
Roy Blazing Bachelors Face FCRoy: Blazing BachelorsEliwoodIcon MiniUnit Head 5 The Binding BladeIcon MiniUnit Head 6 The Blazing BladeCavalryGreen Axe2022-05-20Grants Def/Res+6,【Resonance: Shields】, and【Treachery】to unit and allies from the same titles as unit for 1 turn.

【Resonance: Shields】
Grants Def/Res+4 during combat and the following effect for 1 turn: "During unit's first combat in player phase or enemy phase, foe cannot make a follow-up attack."

【Treachery】
Unit deals additional damage = total bonuses on unit for 1 turn.
Edelgard Sun Empresses Face FCEdelgard: Sun EmpressesAltinaIcon MiniUnit Head 12 Three HousesIcon MiniUnit Head 9 Radiant DawnArmoredRed Sword2022-06-17Grants Atk+6,【Resonance: Shields】, and 【Bonus Doubler】to unit and allies from the same titles as unit for 1 turn.

【Resonance: Shields】
Grants Def/Res+4 during combat and the following effect for 1 turn: "During unit's first combat in player phase or enemy phase, foe cannot make a follow-up attack."

【Bonus Doubler】
Grants bonus to Atk/Spd/Def/Res during combat = current bonus on each of unit's stats for 1 turn. Calculates each stat bonus independently.
Tana Soothing Warmth Face FCTana: Soothing WarmthPeonyIcon MiniUnit Head 7 The Sacred StonesIcon MiniUnit Head 0 HeroesFlyingGreen Dagger2022-09-07Grants【Resonance: Blades】to unit and allies from the same titles as unit.

Grants another action to ally with the highest HP that is within 2 spaces, has already acted, and is from the same titles as unit (excluding unit). (Allies with Sing or Dance can be granted this effect as well. If multiple units meet the conditions, effect will not trigger.)

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.
Cordelia Unyielding Snow Face FCCordelia: Unyielding SnowSelenaIcon MiniUnit Head 10 AwakeningIcon MiniUnit Head 11 FatesFlyingBlue Lance2022-12-16Grants Atk/Spd+6,【Resonance: Blades】, and【Treachery】to unit and allies from the same titles as unit for 1 turn.

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.

【Treachery】
Unit deals additional damage = total bonuses on unit for 1 turn.
Linde Bound by Fate Face FCLinde: Bound by FateSaraIcon MiniUnit Head 1 Shadow Dragon / (New) MysteryIcon MiniUnit Head 4 Thracia 776CavalryRed Tome2023-01-10Grants【Resonance: Blades】,【Dodge】, and "Special cooldown charge +1 per attack during combat (only highest value applied; does not stack)" to unit and allies from the same titles as unit for 1 turn.

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.

【Dodge】
If unit's Spd > foe's Spd, reduces damage from attacks during combat and from area-of-effect Specials (excluding Røkkr area-of-effect Specials) by percentage = difference between stats × 4 (max 40%).
Karla Spring Reveries Face FCKarla: Spring ReveriesFreyjaIcon MiniUnit Head 6 The Blazing BladeIcon MiniUnit Head 0 HeroesCavalryGreen Axe2023-03-07Grants Special cooldown count-2 to unit and allies from the same titles as unit. Grants Atk+6 and【Resonance: Blades】to unit and allies from the same titles as unit for 1 turn.

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.
Tiki Bridal Reflections Face FCTiki: Bridal ReflectionsTikiIcon MiniUnit Head 10 AwakeningIcon MiniUnit Head 1 Shadow Dragon / (New) MysteryArmoredColorless Breath2023-05-19Grants【Resonance: Shields】, "neutralizes foe's bonuses during combat," and "neutralizes unit's penalties during combat" to unit and allies from the same titles as unit for 1 turn.

Once used, Harmonized Skill cannot be activated again right away. At start of every third turn, if Harmonized Skill has already been used, unit can use Harmonized Skill again.

【Resonance: Shields】
Grants Def/Res+4 during combat and the following effect for 1 turn: "During unit's first combat in player phase or enemy phase, foe cannot make a follow-up attack."
Ayra Together in Tea Face FCAyra: Together in TeaMercedesIcon MiniUnit Head 3 Genealogy of the Holy WarIcon MiniUnit Head 12 Three HousesCavalryRed Sword2023-08-08Grants Atk/Spd+6,【Resonance: Blades】, and "unit can move 1 extra space (that turn only; does not stack)" to unit and allies from the same titles as unit for 1 turn and neutralizes any【Penalty】on unit and allies from the same titles as unit.

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.

【Penalty】
All effects that last "on foe through its next action." Includes penalties inflicted by a skill like Panic or Threaten and negative status effects (preventing counterattacks, restricting movement, or the effects of a skill like Triangle Adept or Guard).
Anna Twice the Anna Face FCAnna: Twice the AnnaAnnaIcon MiniUnit Head 14 EngageIcon MiniUnit Head 10 AwakeningFlyingGreen Axe2023-10-05Grants【Resonance: Blades】and【Resonance: Shields】
and restores 99 HP to unit and allies from the same titles as unit. Grants Special cooldown count-5 to unit.

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.

【Resonance: Shields】
Grants Def/Res+4 during combat and the following effect for 1 turn: "During unit's first combat in player phase or enemy phase, foe cannot make a follow-up attack."
Igrene Sworn Protectors Face FCIgrene: Sworn ProtectorsLouiseIcon MiniUnit Head 5 The Binding BladeIcon MiniUnit Head 6 The Blazing BladeInfantryBlue Bow2024-01-19Grants【Resonance: Blades】,【Treachery】, and【Desperation】to unit and allies from the same titles as unit.

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.

【Treachery】
Unit deals additional damage = total bonuses on unit for 1 turn.

【Desperation】
Grants the following effect for 1 turn: "If unit initiates combat, unit can make a follow-up attack before foe can counterattack."
Chloe Spring Wings Face FCChloé: Spring WingsCordeliaIcon MiniUnit Head 14 EngageIcon MiniUnit Head 10 AwakeningFlyingRed Tome2024-03-07Grants Special cooldown count-2 to unit and allies from the same titles as unit. Grants 【Resonance: Blades】and【Incited】to unit and allies from the same titles as unit.

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.

【Incited】
If unit initiates combat, grants bonus to unit's Atk/Spd/Def/Res = number of spaces from start position to end position of unit during combat (max 3; that turn only).
Goldmary Coy Beach Divas Face FCGoldmary: Coy Beach DivasBernadettaIcon MiniUnit Head 14 EngageIcon MiniUnit Head 12 Three HousesInfantryBlue Lance2024-07-05Grants Def/Res+6,【Resonance: Shields】, 【Bonus Doubler】, and【Bulwark】to unit and allies from the same titles as unit for 1 turn.

【Resonance: Shields】
Grants Def/Res+4 during combat and the following effect for 1 turn: "During unit's first combat in player phase or enemy phase, foe cannot make a follow-up attack."

【Bonus Doubler】
Grants bonus to Atk/Spd/Def/Res during combat = current bonus on each of unit's stats for 1 turn. Calculates each stat bonus independently.

【Bulwark】
Foes with Range = 1 cannot move through spaces adjacent to unit (does not affect foes with Pass skills).

Foes with Range = 2 cannot move through spaces within 2 spaces of unit (does not affect foes with Pass skills).
Nephenee Festival Harmony Face FCNephenee: Festival HarmonySakuraIcon MiniUnit Head 8 Path of RadianceIcon MiniUnit Head 11 FatesFlyingRed Tome2024-08-07Grants Atk/Spd+6,【Resonance: Blades】, and "unit can move 1 extra space (that turn only; does not stack)" to unit and allies from the same titles as unit for 1 turn and neutralizes any【Penalty】on unit and allies from the same titles as unit.

【Resonance: Blades】
Grants Atk/Spd+4 during combat for 1 turn.

【Penalty】
All effects that last "on foe through its next action." Includes penalties inflicted by a skill like Panic or Threaten and negative status effects (preventing counterattacks, restricting movement, or the effects of a skill like Triangle Adept or Guard).
Nagi Hopeful Eternity Face FCNagi: Hopeful EternityIdunnIcon MiniUnit Head 1 Shadow Dragon / (New) MysteryIcon MiniUnit Head 5 The Binding BladeArmoredRed Breath2024-10-04For unit and allies from the same titles as unit, grants Atk/Res+6,【Resonance: Shields】, "neutralizes 'effective against dragons' bonuses," and【Warp Bubble】for 1 turn, neutralizes any【Penalty】, and restores 30 HP.

【Resonance: Shields】
Grants Def/Res+4 during combat and the following effect for 1 turn: "During unit's first combat in player phase or enemy phase, foe cannot make a follow-up attack."

【Warp Bubble】
Foes cannot warp into spaces within 4 spaces of unit. (Does not affect foes with Pass skills or warp effects from structures, like camps and fortresses in Rival Domains.)

【Penalty】
All effects that last "on foe through its next action." Includes penalties inflicted by a skill like Panic or Threaten and negative status effects (preventing counterattacks, restricting movement, or the effects of a skill like Triangle Adept or Guard).

Gallery[ | ]

In other languages[ | ]

Language Name Notes
Japanese 双界英雄 Twin World Hero
German Harmoniehelden
Spanish (Europe) Unidades armonizadas
Spanish (Latin America) Unidades armonizadas
French unité harmonisée
Italian Eroi armonici
Traditional Chinese (Taiwan) 雙界英雄
Portuguese Harmonia heroica
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