Earthfire Boost

Earthfire Boost Icon of the Earthfire Boost 3 skill in Heroes.

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

Earthfire Boost (Japanese: 生命の業火大地 Hellfire-earth of life) is a passive type A skill which debuted in Fire Emblem Heroes; despite having only one tier, it is named Earthfire Boost 3. When it user's HP is not low, Earthfire Boost increases its user's attack and defense, and reduces the user's special cooldown charge when the user is near an ally.

Data

Game	Icon	Type	Effect	SP cost	Prerequisites	Unusable by	Inheritable	Other effects and notes
Heroes		A	Grants +5 HP. If user's HP ≥ 50% at start of combat, grants +7 each to user's attack and defense during combat, and if user is within 2 spaces of an ally with HP ≥ 50%, inflicts −1 special cooldown charge on foe per attack in combat.	300	Fire Boost 3 or Earth Boost 3	--	✗	--

Availability

Heroes

Method	Data
Unit (★★★★★)	Ephraim: Ardent Prince

Flavor text

Game	Text (English)	Text (Japanese)
Heroes	Grants HP+5. At start of combat, if unit's HP ≥ 50%, grants Atk/Def+7 to unit during combat, and also, if unit is within 2 spaces of an ally with HP ≥ 50%, inflicts Special cooldown charge -1 on foe per attack during combat (only highest value applied; does not stack).	ＨＰ＋５ 戦闘開始時、自身のＨＰが５０％以上なら、 戦闘中、攻撃、守備＋７、かつ 周囲２マス以内にＨＰが５０％以上の味方がいる時、 戦闘中、敵の奥義発動カウント変動量－１ （同系統効果複数時、最大値適用）

Etymology and other languages

Names, etymology, and in other regions
Language	Name	Definition, etymology, and notes
English	Earthfire Boost 3	--
Japanese	生命の業火大地３	Hellfire-earth of life 3
Spanish	Lavavitalidad 3	Lava vitality 3
French	Boost torride 3	Blistering boost 3
German	Erdfeuerschub 3	Earth-fire drive 3
Italian	Impulso lava 3	Lava impulse 3
Portuguese	Ígneogeovital 3	Fiery geovital 3
Traditional Chinese	生命業火大地３	Living hellfire-earth 3

See also

• Earthwind Boost
• Fireflood Boost
• Firestorm 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 • Dragonscale • 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 • Emblems' Miracle • Ostian Counter • Ostia's Heart • Realms United Proximity skills Ashera's Chosen • Atk/Def Bond • Atk/Def Finish • Atk/Def Form • Atk/Def Solo • Atk/Def Unity • Atk/Res Bond • Atk/Res Finish • Atk/Res Form • Atk/Res Scowl • Atk/Res Solo • Atk/Res Unity • Atk/Spd Bond • Atk/Spd Finish • Atk/Spd Form • Atk/Spd Hexblade • Atk/Spd Scowl • Atk/Spd Solo • Atk/Spd Unity • Atk/Spd Wild • Def/Res Bond • Def/Res Finish • Def/Res Form • Def/Res Scowl • Def/Res Solo • Def/Res Unity • Distant A/S Solo • Distant D/R Solo • Laws of Sacae • Power of Nihility • Sorcery Blade • Spd/Def Bond • Spd/Def Form • Spd/Def Solo • Spd/Res Bond • Spd/Res Finish • Spd/Res Form • Spd/Res Hexblade • Spd/Res Scowl • Spd/Res Solo Stat-boosting skills Attack + • Attack/Def + • Atk/Def Catch • Atk/Def Clash • Atk/Def Ideal • Atk/Def Prime • Atk/Def Push • Attack/Res • Atk/Res Catch • Atk/Res Ideal • Atk/Res Push • Atk/Spd • Atk/Spd Catch • Atk/Spd Clash • Atk/Spd Excel • Atk/Spd Hexblade • Atk/Spd Ideal • Atk/Spd Prime • Atk/Spd Push • Beyond Witchery • 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 Bonus Doubler • C Duel Cavalry • C Duel Flying • C Duel Infantry • Crystalline Water • Defense + • Def/Res Catch • Def/Res Ideal • Def/Res • Defiant Atk • Defiant Def • Defiant Res • Defiant Spd • D Bonus Doubler • Distant Pressure • Dragoon Shield • Duality • Earth Boost • Earthfire Boost • Earthwind Boost • Fell Wyrmscale • Fire Boost • Fireflood Boost • Firestorm 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 • Knightly Devotion • Life and Death • Obsession • Part of the Plan • Rare Talent • R Duel Cavalry • R Duel Flying • R Duel Infantry • Resistance + • Scendscale • Self-Improver • Solid Ground • Speed + • Spd/Def • Spd/Def Catch • Spd/Def Clash • Spd/Def Ideal • Spd/Res • Spd/Res Catch • Spd/Res Hexblade • Spd/Res Ideal • Still Water • Swift Slice • Thunder's Fist • Triangle Adept • Verdict of Sacae • Verge of Death • 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 • Flared Mirror • Flared Sparrow • Flash Sparrow • Gift of Magic • Kestrel Stance • Laws of Sacae • Mastermind • Mirror Impact • Mirror Stance • Mirror Strike • Nightmare • Remote Mirror • Remote Sparrow • Remote Sturdy • 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 Gray Illusion • Flashing Blade • Heavy Blade • Mila's Turnwheel