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Radiant Aether

From Fire Emblem Wiki, your source on Fire Emblem information. By fans, for fans.
Radiant Aether

Is feh skill special.png
Icon used by Radiant Aether in Heroes.



First game


Radiant Aether (Japanese: 蒼の天空 Blue Heavens) is a special skill which debuted in Fire Emblem Heroes and is the personal skill of Ike in his Radiant Dawn and Valentine's Day incarnations. Radiant Aether reduces the foe's defense and resistance by 50%, and heals the user for half of the damage dealt.


Game Icon Effect Cooldown SP cost Prerequisites Unusable by Inheritable Other effects and notes
(Radiant Aether)
Is feh skill special.png Treats foe's defense and resistance as if inflicted −50% during combat.
Restores (damage dealt × 50%) HP to user.
4 500 Sol or Luna Staves --
(Radiant Aether II)
Is feh skill special.png At start of turn 1, grants −2 special cooldown count.
Treats foe's defense and resistance as if inflicted −50% during combat.
Restores (damage dealt × 50%) HP to user.
4 500 Radiant Aether Staves --



Method Data
Radiant Aether Radiant Aether II
Unit (★★★★★) Ike: Close-Knit SiblingsIke: Stalwart HeartIke: Vanguard Legend Ike: Vanguard Legend

Flavor text

Game Text
(Radiant Aether)
During combat, treats foe's Def/Res as
if reduced by 50%. Restores HP = 50%
of damage dealt.
(Radiant Aether II)
At the start of turn 1, grants Special cooldown
count-2 to unit. Treats foe's Def/Res as if
reduced by 50% during combat. Restores HP
= 50% of damage dealt.



  • This skill's connection to Ike stems from the fact that he is the first character to have Aether in the series.

Etymology and other languages

Names, etymology, and in other regions
Language Name Definition, etymology, and notes

Radiant Aether

Aether is the Latin word for "sky" or "the heavens"; traditionally, "aether" or "ether" was a classical element defined as the substance of the universe beyond Earth, i.e. space. The "Radiant" prefix most likely comes from Ike's title as the "Radiant Hero".



Blue Heavens


Éter fulgurante

Shining ether


Éther radieux

Radiant ether


Strahlender Aithir

Radiant Ether


Etere fiammante

Flaming ether


Éter radiante

Radiant ether

Traditional Chinese


Deep blue sky

See also

  • Aether, the normal form of this skill.
Special skills in Heroes
Area-of-effect skills Blazing FlameBlazing LightBlazing ThunderBlazing WindGifted MagicGrowing FlameGrowing LightGrowing ThunderGrowing WindRising FlameRising LightRising ThunderRising Wind
Defensive skills AegisBucklerCirclet of BalanceEscutcheonFrostbite MirrorGodlike ReflexesHoly PanicHoly VestmentsIce MirrorLife UnendingMiracleNegating FangPaviseSacred Cowl
Healing skills AetherDaylightHeavenly LightImbueMayhem AetherNoontimeOpen the FutureRadiant AetherRighteous WindSol
Offensive skills AetherArms of the ThreeArmored BeaconArmored BlazeArmored FloeAstraBaneBlack LunaBlue FlameBond BlastBonfireBrutal ShellChilling WindChivalric AuraCirclet of BalanceDeadeyeDivine PulseDraconic AuraDragon BlastDragon FangDragon Fang ShotDragon GazeDragon's RoarEnclosureFire EmblemFlareGlaciesGlimmerGlitter of LightGlowing EmberGodlike ReflexesGreat AetherGustHero's BloodHoly PressureHoly-Knight AuraIcebergIgnisImperial AstraLethalityLight Is TimeLight's RestraintLightless LunaLodestar RushLunaLunar FlashMayhem AetherMoonbowNew MoonNight SkyNo QuarterOpen the FutureRadiant AetherRegnal AstraReprisalRetributionRighteous WindRuptured SkySacred WindSeiðr ShellShining EmblemSiriusSublime HeavenSupreme AstraSupreme HeavenTime and LightTime Is LightTwin BladesVengeanceVital AstraWarp Ragnarok
Staff specials Deluge BalmEarthfire BalmEarthwater BalmEarthwind BalmFireflood BalmHeavenly LightImbueKindled-Fire BalmSolid-Earth BalmStill-Water BalmSwift-Winds BalmWindfire Balm
Miscellaneous skills GaleforceNjörun's ZealRequiem DanceUmbra BlastUmbra CalamityUmbra Eruption