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This page is about the status effect. For the passive skill, see Bonus Doubler.

Bonus Doubler[1] is a status effect that grants temporary buffs to Atk/Spd/Def/Res = current bonus on each of unit's stats. Each stat bonus is calculated independently. For sources of this status effect, see the category page Sources of Bonus Doubler.

Skill Interaction[ | ]

Main article: Skill interaction
When a unit has this status effect, an icon is shown on their sprite on the map.
Icon Type Example Source Description Sound Effect
Status Effect Bonus Doubler Positive Icon Class Red Sword Ardent Durandal
Structure Heroic Banner Heroic Banner
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.

Sources of Bonus Doubler[ | ]

List of Weapons

List of Unrefined Weapons

Weapon Description
Ardent Durandal
Grants Atk+3. At start of turn, grants 【Bonus Doubler】 to ally with the highest Atk.

【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.
Blade of Sands
Accelerates Special trigger (cooldown count-1). At start of turn, if unit is within 2 spaces of an ally, grants Spd/Res+6,【Bonus Doubler】, and【Null Panic】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 Atk/Spd/Def/Res+5 to unit, neutralizes effects that guarantee foe's follow-up attacks and effects that prevent unit's follow-up attacks, and deals damage = 20% of unit's Spd during combat (excluding area-of-effect Specials).

【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.

【Null Panic】
If unit is inflicted with Panic (bonuses converted into penalties), neutralizes the "converts bonuses on target into penalties" effect for 1 turn. (Even though the effect is neutralized, the Panic status remains, and is treated as a Penalty status.)
Damiell Bow
Effective against flying foes. Grants Spd+3. If a Rally Assist skill is used by unit, grants target【Bonus Doubler】and target can move 1 extra space. (That turn only. Does not stack. No effect on cavalry allies with Range = 2.) At start of combat, if unit's HP ≥ 25%, grants Atk/Spd+6 to unit during combat.

【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.
Guarding Lance
Accelerates Special trigger (cooldown count-1). If a Rally or movement Assist skill (like Reposition, Shove, Pivot, etc.) is used by unit or targets unit, grants Atk/Spd/Def+6, 【Bonus Doubler】, and【Foe Penalty Doubler】to unit and target ally or unit and targeting ally for 1 turn. If unit initiates combat or is within 2 spaces of an ally, grants Atk/Spd/Def/Res+5 to unit, neutralizes effects that guarantee foe's follow-up attacks and effects that prevent unit's follow-up attacks, and reduces damage from foe's first attack by 40% during combat.

【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.

【Foe Penalty Doubler】
Inflicts penalty on foe's Atk/Spd/Def/Res during combat = any current penalty on each of those stats through their next action. Calculates each stat penalty independently.

List of Refined Weapons

Weapon Refined Description
Ardent Durandal
Grants Atk+3. At start of turn, grants 【Bonus Doubler】to unit and ally with the highest Atk (excluding unit). At start of combat, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+4 to unit during combat.

【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.

List of Skill Refined Weapons

None, currently.

List of Assists

Assist Description
Spring's Dream
Grants another action to target ally. Grants Atk+6 and【Bonus Doubler】to target ally and allies within 2 spaces of target ally (excluding unit) for 1 turn. Inflicts Atk-6 and【Panic】 on nearest foes within 5 spaces of target ally and any foe within 2 spaces of those foes through their next actions. (Cannot target an ally with Sing or Dance; this skill treated as Sing or Dance.)

【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.

【Panic】
Converts bonuses on target into penalties through its next action.
To Change Fate! II
Moves target ally to opposite side of unit.  Grants another action to unit, grants Atk/Def+6 and【Bonus Doubler】to unit and Pair Up cohort  (if any) for 1 turn, and inflicts【Isolation】 on unit and Pair Up cohort (if any) through their  next action. (Once per 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.

【Isolation】
Target cannot use or be the target of Assist skills through its next action. (Target can neither use nor be the target of skills like Dance and Sing, skills that neutralize penalties, like Restore and Harsh Command+, etc.)

List of Specials

None, currently.

List of Passives

List of A Passives

None, currently.

List of B Passives

None, currently.

List of C Passives

Icon Passive Description
Inborn Idealism Inborn Idealism
At start of turn, if a dragon or beast ally is deployed, grants Atk/Spd/Def+6, 【Bonus Doubler】, and【Null Panic】to unit and ally with the highest Atk (excluding unit) 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.

【Null Panic】
If unit is inflicted with Panic (bonuses converted into penalties), neutralizes the "converts bonuses on target into penalties" effect for 1 turn. (Even though the effect is neutralized, the Panic status remains, and is treated as a Penalty status.)

List of Attuned Skills

None, currently.

List of Sacred Seals

None, currently.

List of Captain Skills

None, currently.

List of Items

None, currently.

List of Structures

Icon Structure Level Description
Structure Heroic Banner Heroic Banner 4
Grants bonus to Atk/Spd/Def/Res during combat = current bonus on each of ally's stats to allies within 5 rows and 5 columns centered on structure. Calculates each stat bonus independently. (That turn only.)

List of Duo Skills

Owners Duo Skill
Marth Royal Altean Duo Face FC
Marth: Royal Altean Duo
Grants Atk/Spd/Def/Res+3 and【Bonus Doubler】to armored and flying allies within 3 rows centered on unit. (That turn only. Does not stack.)

【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.

List of Harmonized Skills

Owners Harmonized Skill
Lysithea Gifted Students Face FC
Lysithea: Gifted Students
Grants 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.
Edelgard Sun Empresses Face FC
Edelgard: Sun Empresses
Grants 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.

In other languages[ | ]

Language Name
English (US) Bonus Doubler
Japanese 強化増幅
German Bonus-Doppler
Spanish (Europe) Bonificación doble
Spanish (Latin America) Bonificación doble
French Amplification
Italian Aumento bonus
Traditional Chinese (Taiwan) 強化增幅
Portuguese Dobra bônus

References[ | ]

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