Bonus Doubler

Bonus Doubler Icon of the Bonus Doubler 1 skill in Heroes. Grants bonus to Atk/Spd/Def/Res during combat = 50% of current bonus on each of unit's stats. Calculates each stat bonus independently.

Type(s) Passive (Type A) Game(s) Heroes

Bonus Doubler (Japanese: 強化増幅 Enhancement Amp) is a three-tiered passive type A skill which debuted in Fire Emblem Heroes; the individual tiers of the skill are Bonus Doubler 1, Bonus Doubler 2, and Bonus Doubler 3 in order from lowest to highest. Doubler multiplies any bonuses currently in place on its user whenever they are in combat; the multiplication factor increases with the skill's tier.

Data

Game	Icon	Effect	Activation	Capacity	Notes
Heroes (Bonus Doubler 1)		Bonuses in place on the user during combat are multiplied by 1.5.	--	--	Cost: 60 SP
Heroes (Bonus Doubler 2)		Bonuses in place on the user during combat are multiplied by 1.75.	--	--	Cost: 120 SP
Heroes (Bonus Doubler 3)		Bonuses in place on the user during combat are multiplied by 2.	--	--	Cost: 240 SP

Flavor text

Game	Text (English)	Text (Japanese)
Heroes (Bonus Doubler 1)	Grants bonus to Atk/Spd/Def/Res during combat = 50% of current bonus on each of unit's stats. Calculates each stat bonus independently.	戦闘中、攻撃、速さ、守備、魔防が 自分が受けている攻撃、速さ、守備、魔防の 強化の値の５０％だけ上昇（能力値ごとに計算）
Heroes (Bonus Doubler 2)	Grants bonus to Atk/Spd/Def/Res during combat = 75% of current bonus on each of unit's stats. Calculates each stat bonus independently.	戦闘中、攻撃、速さ、守備、魔防が 自分が受けている攻撃、速さ、守備、魔防の 強化の値の７５％だけ上昇（能力値ごとに計算）
Heroes (Bonus Doubler 3)	Grants bonus to Atk/Spd/Def/Res during combat = current bonus on each of unit's stats. Calculates each stat bonus independently.	戦闘中、攻撃、速さ、守備、魔防が 自分が受けている攻撃、速さ、守備、魔防の 強化の値だけ上昇（能力値ごとに計算）

Etymology and other languages

Names, etymology and in other regions
Language	Name	Definition, etymology, and notes
English	Bonus Doubler	--
Japanese	強化増幅	Enhancement Amp
Spanish	Bonificación doble	Double bonus; abbreviated as Bonific. doble.
French	Amplification	Amplification
German	Bonus-Doppler	Bonus-Doubler
Italian	Aumento bonus	Bonus increase
Portuguese (Brazil)	Dobra bônus	Doubles bonus
Traditional Chinese	強化增幅	Intense amplification

Type A passive skills in Heroes

Aether Raids skills AR-D Atk/Def • AR-D Atk/Res • AR-D Atk/Spd • AR-D Def/Res • AR-D Spd/Def • AR-D Spd/Res • AR-O Atk/Def • AR-O Atk/Spd • AR-O Spd/Res Bonus damage skills Ashera's Chosen • Dragonhide • Dragonskin • Dragoon Shield • Grani's Shield • Iote's Shield • Svalinn Shield Counter-attack skills Close Counter • Close Foil • Close Reversal • Close Salvo • Close Ward • Distant Counter • Distant Dart • Distant Ferocity • Distant Foil • Distant Pressure • Distant Reversal • Distant Stance • Distant Storm • Distant Ward • Ostian Counter Proximity skills Ashera's Chosen • Atk/Def Bond • Atk/Def Form • Atk/Def Solo • Atk/Def Unity • Atk/Res Bond • Atk/Res Finish • Atk/Res Form • Atk/Res Solo • Atk/Res Unity • Atk/Spd Bond • Atk/Spd Finish • Atk/Spd Form • Atk/Spd Solo • Atk/Spd Unity • Def/Res Bond • Def/Res Finish • Def/Res Form • Def/Res Solo • Def/Res Unity • Laws of Sacae • Sorcery Blade • Spd/Def Bond • Spd/Def Form • Spd/Def Solo • Spd/Res Bond • Spd/Res Finish • Spd/Res Form • Spd/Res Solo Stat-boosting skills Attack + • Attack/Def + • Atk/Def Catch • Atk/Def Clash • Atk/Def Ideal • Atk/Def Push • Attack/Res • Atk/Res Catch • Atk/Res Ideal • Atk/Res Push • Atk/Spd • Atk/Spd Catch • Atk/Spd Clash • Atk/Spd Ideal • Atk/Spd Push • B Duel Cavalry • B Duel Flying • B Duel Infantry • Bonus Doubler • Brazen Atk/Def • Brazen Atk/Res • Brazen Atk/Spd • Brazen Def/Res • Brazen Spd/Def • Brazen Spd/Res • C Duel Cavalry • C Duel Flying • C Duel Infantry • Defense + • Def/Res Catch • Def/Res Ideal • Def/Res • Defiant Atk • Defiant Def • Defiant Res • Defiant Spd • Distant Pressure • Dragoon Shield • Duality • Earth Boost • Fire Boost • Fortress Def • Fort. Def/Res • Fortress Res • Fury • G Duel Cavalry • G Duel Flying • G Duel Infantry • HP + • HP/Atk • HP/Def • HP/Res • HP/Spd • Life and Death • Part of the Plan • R Duel Cavalry • R Duel Flying • R Duel Infantry • Resistance + • Scendscale • Self-Improver • Solid Ground • Speed + • Spd/Def • Spd/Def Ideal • Spd/Res • Spd/Res Catch • Spd/Res Ideal • Still Water • Swift Slice • Triangle Adept • Verdict of Sacae • Water Boost • Wind Boost Turn-related skills Armored Blow • Blade Session • Bracing Blow • Bracing Stance • Close Def • Close Foil • Close Reversal • Close Ward • Darting Blow • Darting Breath • Darting Stance • Death Blow • Distant Def • Distant Foil • Distant Ward • Dragonskin • Fierce Breath • Fierce Stance • Gift of Magic • Kestrel Stance • Laws of Sacae • Mirror Impact • Mirror Stance • Mirror Strike • Nightmare • Remote Mirror • Remote Sparrow • Shield Session • Steady Blow • Steady Breath • Steady Impact • Steady Posture • Steady Stance • Sturdy Blow • Sturdy Impact • Sturdy Stance • Sturdy Surge • Surge Sparrow • Swift Sparrow • Swift Stance • Swift Strike • Warding Blow • Warding Breath • Warding Stance Miscellaneous skills Flashing Blade • Heavy Blade • Mila's Turnwheel

Sacred Seal skills in Heroes

Debuffing skills Atk Feint • Atk Ploy • Atk Smoke • Chill Atk • Chill Atk/Def • Chill Def • Chill Res • Chill Spd • Chill Spd/Res • Def Feint • Def Ploy • Def Smoke • Guard • Panic Ploy • Res Feint • Res Ploy • Res Smoke • Seal Atk • Spd Feint • Seal Spd • Spd Ploy • Spd Smoke Follow-up strike skills Brash Assault • Deflect Magic • Deflect Melee • Deflect Missile • Null Follow-Up • Quick Riposte Healing skills Breath of Life • Live to Serve • Mystic Boost • Renewal Mobility skills Aerobatics • Air Orders • Armor March • Armored Boots • Flier Formation • Flier Guidance • Ground Orders • Guidance • Obstruct • Odd Tempest Proximity skills Armor March • Atk Smoke • Atk/Def Bond • Atk/Def Form • Atk/Def Solo • Atk/Res Bond • Atk/Res Form • Atk/Res Oath • Atk/Res Solo • Atk/Spd Bond • Atk/Spd Form • Atk/Spd Oath • Atk/Spd Solo • Breath of Life • Close Guard • Def Tactic • Def/Res Bond • Def/Res Form • Def/Res Solo • Dist. Counter (D) • Distant Guard • Drive Atk • Drive Def • Drive Res • Drive Spd • Fortify Dragons • Hone Atk • Hone Beasts • Hone Dragons • Hone Spd • Inf. Hexblade • Infantry Rush • Res Tactic • Rouse Atk/Def • Savage Blow • Sorcery Blade • Spd Tactic • Spd Smoke • Spd/Def Bond • Spd/Def Form • Spd/Def Solo • Spd/Res Bond • Spd/Res Form • Spd/Res Oath • Spd/Res Solo • Spur Atk • Spur Atk/Def • Spur Atk/Spd • Spur Def • Spur Def/Res • Spur Res • Spur Spd • Spur Spd/Def • Threaten Atk • Threaten Def • Threaten Res • Threaten Spd • Ward Beasts • Ward Dragons Squad Ace skills Squad Ace A • Squad Ace B • Squad Ace C • Squad Ace D • Squad Ace E • Squad Ace F • Squad Ace G • Squad Ace H • Squad Ace I • Squad Ace J • Squad Ace K • Squad Ace L • Squad Ace M • Squad Ace N • Squad Ace O • Squad Ace P • Squad Ace Q • Squad Ace R • Squad Ace S • Squad Ace T • Squad Ace U • Squad Ace V • Squad Ace W • Squad Ace X • Squad Ace Y • Squad Ace Z • Squad Ace AA • Squad Ace AB • Squad Ace AC • Squad Ace AD • Squad Ace AE • Squad Ace AF • Squad Ace AG • Squad Ace AH • Squad Ace AI • Squad Ace AJ • Squad Ace AK • Squad Ace AL • Squad Ace AM • Squad Ace AN • Squad Ace AO • Squad Ace AP • Squad Ace AQ • Squad Ace AR • Squad Ace AS • Squad Ace AT • Squad Ace AU • Squad Ace AV • Squad Ace AW • Squad Ace AX • Squad Ace AY • Squad Ace AZ • Squad Ace BA • Squad Ace BB • Squad Ace BC • Squad Ace BD • Squad Ace BE • Squad Ace BF • Squad Ace BG • Squad Ace BH • Squad Ace BI • Squad Ace BJ • Squad Ace BK • Squad Ace BL • Squad Ace BM • Squad Ace BN • Squad Ace BO • Squad Ace BP Stat-boosting skills Attack + • Attack/Def + • Atk/Def Catch • Atk/Def Push • Attack/Res • Atk/Res Catch • Atk/Res Ideal • Atk/Res Push • Atk/Spd • Atk Opening • Atk/Spd Push • Blaze Dance • Bonus Doubler • Brazen Atk/Def • Brazen Atk/Res • Brazen Atk/Spd • Brazen Def/Res • Brazen Spd/Def • Brazen Spd/Res • Defense + • Def Opening • Def/Res • Def/Res Ideal • Defiant Atk • Defiant Def • Defiant Spd • Earth Boost • Earth Dance • Fire Boost • Fortify Def • Fortify Res • Fortress Def • Fort. Def/Res • Fortress Res • Fury • Gale Dance • HP + • HP/Atk • HP/Def • HP/Res • HP/Spd • Initiate Seal Atk • Initiate Seal Def • Initiate Seal HP • Initiate Seal Res • Initiate Seal Spd • Life and Death • Resistance + • Res Opening • Speed + • Spd Opening • Spd/Def • Spd/Def Ideal • Spd/Res • Torrent Dance • Water Boost • Wind Boost Turn-related skills Armored Blow • Blade Session • Bracing Stance • Breath of Life • Close Def • Darting Blow • Darting Stance • Death Blow • Distant Def • Even Atk Wave • Even Def Wave • Even Res Wave • Even Spd Wave • Fierce Breath • Fierce Stance • Kestrel Stance • Mirror Strike • Mirror Stance • Odd Def Wave • Odd Spd Wave • Poison Strike • Quick Riposte • Savage Blow • Shield Session • Steady Blow • Steady Breath • Steady Posture • Steady Stance • Sturdy Blow • Sturdy Stance • Swift Sparrow • Swift Stance • Swift Strike • Warding Blow • Warding Breath • Warding Stance Miscellaneous skills Flashing Blade • Hardy Bearing • Heavy Blade • Iote's Shield • Phantom Res • Phantom Spd • Quickened Pulse Enemy-exclusive skills Blade Seal • Boots Seal • Charm Seal • Gold Perfection • Elixir Seal • Embla's Ward • Guardian Seal • Gullinbursti • Horn Seal • Múspellflame • Niðavellir Axiom • Røkkr • Veil Seal