Fire Boost

Fire Boost Icon of the Fire Boost 1 skill in Heroes. At start of combat, if unit’s HP ≥ foe's HP+3, grants Atk+2 during combat.

Type(s) Passive (Type A) First game Heroes

Fire Boost (Japanese: 生命の業火 Hellfire of Life) is a three-tiered passive type A skill which debuted in Fire Emblem Heroes; the individual tiers of the skill are known as Fire Boost 1, Fire Boost 2, and Fire Boost 3 in order from lowest to highest. Units with a Fire Boost skill boost their Attack at the start of combat based on having more HP than their target; the size of the Attack boost is affected by the skill's tier.

Data

Game	Icon	Effect	Activation	Capacity	Notes
Heroes (Fire Boost 1)		Boosts user's Attack by +2 during combat.	User has at least 3 more HP remaining than the target	--	Cost: 50 SP
Heroes (Fire Boost 2)		Boosts user's Attack by +4 during combat.	User has at least 3 more HP remaining than the target	--	Cost: 100 SP
Heroes (Fire Boost 3)		Boosts user's Attack by +6 during combat.	User has at least 3 more HP remaining than the target	--	Cost: 200 SP

Availability

Heroes

Fire Boost 1

Units	Eliwood: Devoted Love • Geese: A Life at Sea • Lorenz: Highborn Heat • Luke: Rowdy Squire • Ross: His Father's Son • Xander: Student Swimmer (Rarity requirements vary per character)
Tempest Trials+	January 2019 (2nd): 6,000 points
Sacred Seal Forge (Creation)	Requires 100 , 20 , and 20

Fire Boost 2

Units	Eliwood: Devoted Love • Geese: A Life at Sea • Lorenz: Highborn Heat • Luke: Rowdy Squire • Ross: His Father's Son • Xander: Student Swimmer (Rarity requirements vary per character)
Sacred Seal Forge (Enhancement)	Requires 200 , 60 , 50 , and the Fire Boost 1 seal

Fire Boost 3

Units	Eliwood: Devoted Love • Geese: A Life at Sea • Lorenz: Highborn Heat • Luke: Rowdy Squire • Ross: His Father's Son • Xander: Student Swimmer (Rarity requirements vary per character)
Sacred Seal Forge (Enhancement)	Requires 400 , 1,000 , 100 , and the Fire Boost 2 seal

Flavor text

Game	Text (English)	Text (Japanese)
Heroes (Fire Boost 1)	At start of combat, if unit’s HP ≥ foe's HP+3, grants Atk+2 during combat.	戦闘開始時、ＨＰが敵より３以上高い時、 戦闘中、攻撃＋２
Heroes (Fire Boost 2)	At start of combat, if unit’s HP ≥ foe's HP+3, grants Atk+4 during combat.	戦闘開始時、ＨＰが敵より３以上高い時、 戦闘中、攻撃＋４
Heroes (Fire Boost 3)	At start of combat, if unit’s HP ≥ foe's HP+3, grants Atk+6 during combat.	戦闘開始時、ＨＰが敵より３以上高い時、 戦闘中、攻撃＋６

Etymology and other languages

Names, etymology and in other regions
Language	Name	Definition, etymology, and notes
English	Fire Boost	--
Japanese	生命の業火	Hellfire of Life
Spanish	Pirovitalidad	Pyro-vitality
French	Boost ardent	Blazing boost
German	Feuerschub	Fire Drive
Italian	Impulso fuoco	Fire impulse
Portuguese (Brazil)	Pirovital	Pyro-vital
Traditional Chinese	生命業火	Living hellfire

See also

• Earth Boost
• Water Boost
• Wind Boost

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